David K. Joyce

Latest Additions

Below are the most recent additions to my specimens database. Click on any of the thumbnails to view a larger image of the specimen.

All prices in Canadian dollars. For payment in US$, deduct 21% or multiply by 0.79.

 

Item #22969 Eirikite, Leifite, Rhodochrosite 4.0x2.6x2.3 cm Largest Crystal Size: 23mm $85.00 Mont Saint-Hilaire Quebec, Canada The main feature of this specimen is the large spray of white, acicular eirikite-leifite crystals in a matrix entirely composed of sharp, 3mm or so rhombs of rhodocrosite plus some natrolite and polylithionite crystals. These kind of sprays of eirikite-leifite seem to always contain both minerals which phase in and out of each other.	Item #22968 Eirikite, Leifite, Catapleiite 4.2x3.7x2.6 cm Largest Crystal Size: 17mm $75.00 Mont Saint-Hilaire Quebec, Canada The main feature of this specimen is the large sprays of white, acicular eirikite-leifite crystals in a matrix composed of polylithionite, natrolite crystals, sharp, 3-4mm platy catapleiite crystals plus albite and rhodochrosite crystals. These kind of sprays of eirikite-leifite seem to always contain both minerals which phase in and out of each other.	Item #22967 Eirikite, Leifite, Polylithionite 3.5x2.7x1.7 cm Largest Crystal Size: 16mm $75.00 Mont Saint-Hilaire Quebec, Canada The main feature of this specimen is the large spray of white, acicular eirikite-leifite crystals in a matrix entirely composed of interlocking polilithionite crystals. These kind of sprays of eirikite-leifite seem to always contain both minerals which phase in and out of each other.	Item #22966 Eirikite, Leifite, Catapleiite, etc. 3.4x2.9x2.3 cm Largest Crystal Size: 32mm $85.00 Mont Saint-Hilaire Quebec, Canada This very long spray of white, acicular eirikite-leifite crystals is in a matrix entirely composed of interlocking rhodochrosite crystals, sharp, 3-4mm platy catapleiite crystals plus natrolite crystals. What a cool matrix! These kind of sprays of eirikite-leifite seem to always contain both minerals which phase in and out of each other.
Item #22965 Eirikite, Leifite, Catapleiite, Polylithionite, etc 7.0x4.7x4.4 cm Largest Crystal Size: E-R -20mm $85.00 Mont Saint-Hilaire Quebec, Canada TLarge sprays of white, acicular eirikite-leifite crystals in a matrix entirely composed mostly of polylithionite crystals, sharp, 3-4mm platy catapleiite crystals plus rhombs of rhodocrosite These sprays of eirikite-leifite seem to always contain both minerals which phase in and out of each other.	Item #22964 Eirikite, Leifite 2.9x2.7x2.2 cm Largest Crystal Size: 19mm $75.00 Mont Saint-Hilaire Quebec, Canada The main feature of this specimen is the large spray of white, acicular eirikite-leifite. These kind of sprays of eirikite-leifite seem to always contain both minerals which phase in and out of each other.	Item #22963 Eirikite, Leifite, Catapleiite 4.5x3.6x3.1 cm Largest Crystal Size: E-L-30mm, C-5mm $140.00 Mont Saint-Hilaire Quebec, Canada The main feature of this specimen is the large spray of white, acicular eirikite-leifite crystals in a matrix entirely composed of sharp, 3-4mm platy catapleiite crystals plus rhombs of rhodocrosite and small balls of a white fibrous mineral that looks like hochelagaite or franconite. Sorry, don't know what it is! What a matrix! These kind of sprays of eirikite-leifite seem to always contain both minerals which phase in and out of each other.	Item #22962 Normandite 3.9x1.7x1.3 cm Largest Crystal Size: micro $45.00 Mont Saint-Hilaire Quebec, Canada Really nice mm aggregates of orangey normandite crystals are present throughout the matrix of this specimen. Type locality! Rich! Rare!
Item #22961 Normandite 3.5x1.8x1.3 cm Largest Crystal Size: micro $50.00 Mont Saint-Hilaire Quebec, Canada Very nice mm aggregates of orangey normandite crystals are present throughout the matrix of this specimen. Type Locality. Rich! Rare!	Item #22960 Normandite 4.7x3.0x1.0 cm Largest Crystal Size: micro $45.00 Mont Saint-Hilaire Quebec, Canada Lots of very nice mm aggregates of orangey normandite crystals are present throughout the matrix of this specimen. Type Locality! Rich! Rare!	Item #22959 Normandite 3.1x1.1x0.6 cm Largest Crystal Size: micro $40.00 Mont Saint-Hilaire Quebec, Canada Very nice mm aggregates of orangey normandite crystals are present throughout the matrix of this specimen. Type Locality! Rich! Rare!	Item #22958 Normandite 2.2x1.1x0.6 cm Largest Crystal Size: micro $40.00 Mont Saint-Hilaire Quebec, Canada Very nice mm aggregates of orangey normandite crystals are present throughout the matrix of this specimen. Type locality. Rich! Rare!
Item #22957 Normanite 4.5x2.7x0.9 cm Largest Crystal Size: micro $40.00 Mont Saint-Hilaire Quebec, Canada Lots of mm aggregates of orangey normandite crystals are present throughout the matrix of this specimen. Type locality. Rich! Rare!	Item #22956 Normanite 3.3x1.4x0.9 cm Largest Crystal Size: micro $40.00 Mont Saint-Hilaire Quebec, Canada Lots of mm aggregates of orangey normandite crystals are present throughout the matrix of this specimen. Type locality. Rich! Rare!	Item #22955 Hilairite 3.4x2.4x1.8 cm Largest Crystal Size: micro $40.00 Mont Saint-Hilaire Quebec, Canada Lots of groups of small, sharp, amber dodecahedral crystals of hilairite are scattered about the side and top of this matrix which. The hilairite crystals are associated with calcite, albite, elpidite, quartz and pyrite crystals. Nice!	Item #22954 Hilairite 3.2x3.1x2.3 cm Largest Crystal Size: micro $40.00 Mont Saint-Hilaire Quebec, Canada Some very nice small, sharp, amber dodecahedral crystals of hilairite are scattered about the side and top of this matrix which. The hilairite crystals are associated with calcite, albite, elpidite, quartz and pyrite crystals.
Item #22953 Hilairite 3.1x1.6x1.0 cm Largest Crystal Size: micro $35.00 Mont Saint-Hilaire Quebec, Canada A number of groups and individual crystals of small, sharp, amber dodecahedral hilairite are scattered about the side and top of this matrix which. The hilairite crystals are associated with calcite, albite, elpidite, quartz and pyrite crystals.	Item #22952 Hilairite 3.52.9x2.3 cm Largest Crystal Size: micro $40.00 Mont Saint-Hilaire Quebec, Canada Lots of groups of small, sharp, amber dodecahedral crystals of hilairite are scattered about the side and top of this matrix which. The hillairite crystals are associated with calcite, albite, elpidite, quartz and pyrite crystals. Type Locality! R	Item #22951 Griceite 3.0x1.5x1.5 cm Largest Crystal Size: micro $45.00 Mont Saint-Hilaire Quebec, Canada A couple of vugs have a number of sharp, creamy-white griceite crystals in them. An excellent specimen of this rare mineral!!	Item #22950 Griceite 5.0x2.8x2.0 cm Largest Crystal Size: micro $40.00 Mont Saint-Hilaire Quebec, Canada This one is a bit different with yellowish griceite crystals. Collected in 1987!
Item #22949 Sidorenkite, Griceite, Ussingite 2.2x1.7x1.2 cm Largest Crystal Size: micro $65.00 Mont Saint-Hilaire Quebec, Canada A small piece but some nice rare minerals here! Excellent flattened , acicular crystals of sidorenkite , as well as poor, creamy-white griceite. Other unidentified rare minerals present, as well!	Item #22948 Griceite, Sidorenkite 3.0x2.6x1.6 cm Largest Crystal Size: micro $65.00 Mont Saint-Hilaire Quebec, Canada A vug in ussingite contains both sharp, creamy-white griceite crystals and a spray of brownish sidorenkite crystals. Rare minerals!	Item #22947 Griceite, Villaumite 4.2x1.6x1.6 cm Largest Crystal Size: micro $45.00 Mont Saint-Hilaire Quebec, Canada A number of sharp, creamy griceite crystals are embedded in villaumite or partially dissolved out of villaumite in this interesting piece. Lots of other minerals present.	Item #22945 Griceite 2.5x1.3x1.6 cm Largest Crystal Size: micro $45.00 Mont Saint-Hilaire Quebec, Canada A beautiful, well-shaped griceite crystal is perfectly exposed in a vug of this matrix. Excellent! R
Item #22940 Griceite 5.7x3.3x1.9 cm Largest Crystal Size: micro $40.00 Mont Saint-Hilaire Quebec, Canada A vug in this matrix of ussingite and analcime contains a couple of sharp, creamy-white griceite crystals. There are also eudialyte group mineral crystals embedded in the matrix and some other unknown minerals. R	Item #22936 Dravite 9.8x6.6x4.7 cm Largest Crystal Size: as above $75.00 Yinnietharra Dravite Mine Western Australia Australia A wonderful, pitch-black doubly terminated crystal of dravite. The crystal shows wonderful trigonal symmetry. A little bit chipped off one termination but pretty Otherwise in fantastic shape! R	Item #22934 Vanadinite 6.1x4.1x3.2 cm Largest Crystal Size: 5mm $75.00 Pure Potential Mine La Paz Co. Arizona, USA This is one of the nice specimen that I have seen from this property. Lots of hexagonal crystals with pinacoidal terminations and a really nice orange-red colouration. Looks great and is a very good representatice of this locality! R	Item #22933 Grossular 6.4x4.4x4.2 cm Largest Crystal Size: as above $55.00 Sierra de Cruces Coahuila Mexico A large grossular crystal from the famous locality near Sierra de Cruces. The crystal is a simple dodecahedron with a light green colouration. One point where it was attached to another smaller crystal and a small part of the crystal is repaired. Nice smooth crystal. R
Item #22932 Dravite 11.5x8.0x8.0 cm Largest Crystal Size: as above $150.00 Yinnietharra Dravie Mine Western Australia Australia Wow! THAT's not a dravite crystal? THIS is a dravite crystal! A monster, doubly terminated, black crystal of this tourmaline group mineral. Great luster and form. Stands just like this for display! R	Item #22927 Cryolite 9.1x5.7x9.3 cm Largest Crystal Size: n/a $85.00 Ivigtut Greenalnd A SOLID piece of cryolite from this famous mine! It is solid white-colourless cryolite showing cleavage planes parallel to the widest faces, which I have tried to sow in the photos. Very rich! R	Item #22925 Hureaulite, Reddingite 10.4x9.4x5.4 cm Largest Crystal Size: 4mm $125.00 Jacao Pegmatite Conslhheiro Pena, Minas Gerais Brazil This fragment of deteriorated pegmatite shows rich encrustations of pink hureaulite and more yellowish reddingite with a couple of other unidentified rare phosphate minerals. Big! Rich! R	Item #22919 Tetrahedrite, Chalcopyrite 5.7x4.0x3.3 cm Largest Crystal Size: 13mm $40.00 Casapalca Mine Junin Department Peru Very sharp, tetrahedra of tetrahedrite cover most of the top of this matrix of sphalerite, along with a number of sharp chalcopyrite crystals. Matrix is sphalerite under chalcopyrite. Nice!
Item #22918 Tetrahedrite, Quartz 7.5x5.8x3.4 cm Largest Crystal Size: 28mm on edge $75.00 Casapalca Mine Junin Department Peru A plate of silvery, tetrahedrite crystals that are, largely, in turn, covered with milky quartz crystals. The largest crystal, though is not covered by quartz at all and it well displayed at the side of the piece.	Item #22917 Cinnabar, Quartz, Dolomite 8.5x6.3x3.3 cm Largest Crystal Size: cinn-8mm $75.00 Hunhuang Huihua City, Hunan China A single, very sharp, interpenetration twin of deep red cinnabar is present in the is quartz vug in dolomite. A few dolomite crystals have also formed on the little quartz crystals. Classic!	Item #22915 Carrollite, Calcite 8.8x4.5x4.8 cm Largest Crystal Size: 6mm $65.00 Kambove Dem. Rep. of Congo Several brilliant, simple, octahedral crystals of carrollite are present in this space between large calcite crystals in this excellent specimen. One of my favourite minerals. Mirror-like crystal faces!	Item #22914 Calcite, Boulangerite 5.3x4.5x4.5 cm Largest Crystal Size: 35mm $60.00 Herja Mine Baia Mare Romania A couple of larger, very curved, "saddle-shaped" composite calcite crystals sit on a matrix of smaller calcite crystals, which are, in turn on massive sphalerite, the ore mineral at the mine. The large calcite crystals are tinted grey due to inclusions of fine, hair-like boulangerite crystals. Displays very well!
Item #22913 Calcite, Boulangerite 4.1x2.8x2.2 cm Largest Crystal Size: cal-17mm $40.00 Herja Mine Baia Mare Romania This piece is a cluster of calcite crystals, pure white on one side and appearing partially black on the other side because of dense, hair-like boulangerite inclusions. Great looking AND interesting!	Item #22912 Stibnite 5.5x4.4x3.8 cm Largest Crystal Size: 43mm $45.00 Herja Mine Baia Mare Romania A great looking cluster of several clusters of divergent, lustrous stibnite needles. Classic stibnite locality!	Item #22911 Galena, Marcasite 5.7x5.7x5.4 cm Largest Crystal Size: as above $45.00 Picher Oklahoma, USA This interesting galena crystal shows many growth features resulting from what I would call semi-skeletal cube and octahedral crystal growth. As well there are 7mm or so golden marcasite crystals scattered over the galena. Nice!	Item #22910 Marcasite, Pyrite, Galena, Dolomite 5.2x4.6x4.0 cm Largest Crystal Size: g-16mm $40.00 Bixby Missouri, USA A myriad of tiny pyrite and marcasite crystals largely coat cube-octahedral galena crystals. Nice locality piece from this famous "Tri-State" mining area.
Item #22909 Carrollite 6.2x4.7x4.3 cm Largest Crystal Size: 8mm $65.00 Kambove Democratic Republic of Congo A cavity in the front of this piece of coarse calcite contains several carrollite crystals but one 8mm wide crystal in particular. the cube and octahedron, modified by what appears to be the trisoctahedron. Nice crystal!	Item #22904 Sphalerite, Pyrite 2.6x3.4x2.4 cm Largest Crystal Size: 16mm $35.00 Naica Chihuahua Mexico A nice mound of black sphalerite crystals encrusted with sparkling pyrite crystals. Good looking specimen of this ore mineral!	Item #22903 Sphalerite, Pyrite 4.6x2.8x2.0 cm Largest Crystal Size: 16mm $35.00 Naica Chihuahua Mexico Here is a nice ssphalerite cluster! One larger, 16mm crystal sits on a mound of smaller crystals. A couple of pyrite "pyritohedra" are associated. Nice looking.	Item #22901 Sphalerite, Pyrite 4.0x2.8x2.4 cm Largest Crystal Size: 12mm $35.00 Naica Chihuahua Mexico Nice, small cluster of dark brown sphalerite crystals crowned with lots of golden pyrite crystals. Classic!
Item #22900 Sphalerite, Quartz 8.0x8.5x7.4 cm Largest Crystal Size: 21mm $85.00 Naica Chihuahua Mexico A cluster of black sphalerite crystals partially covered with small milky quartz crystals and some small, tiny pyrite crystals. Looks great from several angles. Stands well for display!	Item #22894 Silver, Arsenides 10.8x7.8x1.1 cm Largest Crystal Size: n/a $120.00 Frontier Mine South Lorrain Township Ontario, Canada A big plate of, mostly, silver with a thin veneer of unidentified arsenide mineralization. It is more like up to 8mm thick but is bent and warped to a large diameter. Rings when you flick it with your fingernail!	Item #22891 Vanadinite 12.3x9.3x2.6 cm Largest Crystal Size: 2mm $65.00 Pure Potential Mine La Paz Co. Arizona, USA The front and part of the back of this dark, calcite crystal encrusted breccia matrix are generously sprinkled with red-orange hexagonal vanadinite crystals. Nice!	Item #22889 Safflorite, Skutterudite, Silver 8.0x6.7x5.7 cm Largest Crystal Size: n/a $140.00 Frontier Mine South Lorrain Twp. Ontario, Canada Modest amounts of silver cut through the arsenides and dolomite of this old-timer. Crystals of skutterudite and arsenopyrite are visble in the matrix, as are balls or sprays of safflorite. It is accompanied by an antique label from the A. Cole collection. This was a piece probably collected in the 1910's by Cole, the mining engineer employed by the railway to manage the veins under the railway. right-of-way. When this mine was operating, the town of "Silver Center" was a going concern. It is now a ghost town with little evidence of it remaining.
Item #22887 Hubnerite 12.5x8.8x2.9 cm Largest Crystal Size: 50mm $80.00 Silverton Colorado, USA Rich tungsten mineralization in a unique habit from this famous American locality. The hubnerite is present as radiating, bladed groups of brownish crystals. Very interesting!	Item #22884 Silver, Arsenides 14.9x11.3x1.4 cm Largest Crystal Size: n/a $140.00 O'Brien Mine Cobalt Ontario, Canada Rich, dendritic and veinlet silver in this sawn-one-side, rough the other specimen, originally part of a specimen owned by J.B. O'Brien. Copy of old label accompanies, if you'd like it.	Item #22883 Silver, Arsenides 15.5x7.2x8.4 cm Largest Crystal Size: n/a $725.00 Silver Cliff Mine Cobalt Ontario, Canada A very dense, high grade chunk of silver ore that shows thick veins and areas of native silver in a dark arsenide mineral(s). The piece was mined in 1916 and is from underground workings. It was not collected on a dump but is fresh, un-oxidized mineralization. Really nice!	Item #22882 Silver, Arsenides 12.0x9.5x7.0 cm Largest Crystal Size: n/a $425.00 O'Brien Mine Cobalt Ontario, Canada Rich, high-grade ore consisting of dendritic silver and veinlets of silver in slightly ozidized arsenides. This specimen originally belonged to J.B. O'Brien. Original of old label accompanies it, if you'd like it. :)
Item #22881 Silver, Arsenides 11.8x11.2x2.2 cm Largest Crystal Size: n/a $225.00 O'Brien Mine Cobalt Ontario, Canada A thick slice of high-grade or consisting of rich, dendritic native silver and veinlets of native silver in partly oxidized ore. The was surface or, mined back in the day and has been sawn off of a chunk that was once owned by J.B. O'Brien. Copy of old label accompanies, if you wish. Great piece!	Item #22868 Kainosite-(Y), Arsenides 6.4x3.1x3.0 cm Largest Crystal Size: 1.5mm $40.00 Cobalt Lode Mine Cobalt Ontario, Canada A single brick-red kainosite crystal with altered exterior, is perfectly perched on a quartz crystal and tucked away in a protective opening in this safflorite, arsenopyrite and skutterudite matrix.	Item #22862 Nickeline, Rammelsbergite, Skutterudite, Safflorite 6.7x6.9x3.4 cm Largest Crystal Size: n/a $75.00 Nipissing 404 Shaft Cobalt Ontario, Canada This specimen of botryoidal arsenides shows layers of nickeline, rammelsbergite and skutterudite with a thin skin of safflorite in places. Interesting AND looks great!	Item #22859 Safflorite, Skutterudite, Nickeline 9.3x7.7x3.0 cm Largest Crystal Size: 2mm $75.00 Nipissing 404 Shaft Cobalt Ontario, Canada This specimen appears to be a botryoidal covering of safflorite with some nickeline in the interior of the botryoids, as well. The botryoidal minerals are largely covered with tiny, sparkling skutterudite crystals. Interesting specimen of these minerals.
Item #22856 Safflorite, Skutterudite, Nickeline 10.2x8.7x6.1 cm Largest Crystal Size: 13mm $140.00 Nipissing 404 Shaft Cobalt Ontario, Canada This is an interesting piece! The larger crystals appear to be epimorphs of safflorite after skutterudite crystals. Under the epimorphs there is nickeline, some of which is in small crystals. The top of the epimorphs are sprinkled or covered with tiny, sparkly skutterudite crystals. Displays very well, just as in the photos. Excellent!	Item #22855 Safflorite, Skutterudite 10.7x6.3x1.6 cm Largest Crystal Size: 7mm botryoids $75.00 Nipissing 404 Shaft Cobalt Ontario, Canada A very nice specimen of botryoidal safflorite that has patches of small silvery skutterudite crystals here and there on and between the safflorite botryoids. The "botryoids are actually radiating groups of silvery safflorite crystals with the outsides the terminations of pointy crystals. The skutterudite crystals are small very silvery cubes modified by octahedral faces. Very nice specimen of a mineral we don't often see in the world!	Item #22849 Fluorite, Calcite, hydrocarbon 5.0x4.2x3.1 cm Largest Crystal Size: as above $55.00 Cave-in-Rock Illinois, USA This specimen is one, stepped, light purple fluorite crystal showing only cubic crystal forms. There are a few 5mm or so calcite crystals on the front and globules of black hydrocarbon embedded in the base of the piece. Slight bruising. Looks great! R	Item #22848 Cuprite, Malachite 9.8x7.0x5.0 cm Largest Crystal Size: c-3mm, m-6mm $75.00 Bisbee Arizona, USA The top of this goethite matrix is a series of open fractures with large partz filled with deep, red, acicular "chalcotrichite" variety of cuprite. As well, there are fanned aggregates of emerald-green crystals of malachite. Two copper oxide minerals in one specimen! Looks great. R
Item #22847 Dolomite, Sphalerite 9.0x4.6x3.7 cm Largest Crystal Size: 4mm $50.00 Black Cloud Mine Leadville Colorado, USA This matrix of coarse sphalerite, galena and pyrite has a cavity exposed on the top of it that is lined with small quartz crystals and then, mostly dolomite crystals and a few sharp pyrite crystals. The dolomite crystals dominate the opening and are creamy-white rhombohedra. Great old locality!! R	Item #22846 Chlorargyrite 8.5x6.8x4.5 cm Largest Crystal Size: 3mm $85.00 Broken Hill Proprietary Mine Broken Hill, NSW Australia These chlorargyrite crystals look sort of worm-like at first glance but a close up shows that they are covered with crystal faces and appear to be composed of many tiny crystals. Matrix is quartz fragments encased in goethite, some of it botryoidal. Nice specimen of this relatively rare silver chloride from one of the famous localities! R	Item #22842 Stibiconite, ps stibnite 14.2x3.1x2.7 cm Largest Crystal Size: as above $110.00 Catorce San Luis Potosi Mexico A classic pseudomorph of stibiconite after stibnite. The striations and form of the original stibnite crystal have been faithfully preserved in this very good example. Some small quartz crystals attached. Nice example! R	Item #22839 Prehnite 6.0x3.7x4.3 cm Largest Crystal Size: 35mm $85.00 Jeffrey Mine Asbestos Quebec, Canada A cluster of rather large, blocky crystals of off-whitish prehnite crystals. The big crystal is particularly interesting with a kind of curved, multiple termination that we often see in prehnite. Just large! R
Item #22838 Helvine 5.5x5.0x2.0 cm Largest Crystal Size: 13mm $85.00 Wushan Mine Tongbei Fujian China A rough crystal of helvine perched perfectly on a mound of albite crystals with tiny mica crystals and a few orange garnets. Nice specimen of this relatively rare beryllium mineral. R	Item #22837 Lazulite, Siderite, Quartz, Augelite 7.4x5.3x1.6 cm Largest Crystal Size: l-7mm $55.00 Rapid Creek Yukon, Canada This specimen is a plate of siderite and quartz crystals with larger deep blue crystals of twinned lazulite crystals scattered about the right side. There is some bruising but also some very nice crystals. Tiny (<1mm) crystals of augelite largely cover the quartz and siderite crystals on the bottom or back side. R	Item #22836 Hubnerite 7.1x4.3x2.1 cm Largest Crystal Size: as above $75.00 Yaogangxian Mine Chenzhou, Hunan China A well-formed, well terminated crystal of this tungsten ore mineral from one of the most prolific localities. One side shows the characteristic, striated, slightly divergent habit of many of these crystals while the other side is covered with mica and smaller quartz crystals. Very nice! R	Item #22835 Pectolite 33.1x3.0x1.9 cm Largest Crystal Size: 28mm $45.00 Jeffrey Mine Asbestos Quebec, Canada A beautiful cluster of pectolite crystals, all doubly terminated. Classic cluster from a great locality! R
Item #22830 Silver, Calcite 23.0x16.5x6.2 cm Largest Crystal Size: n/a $950.00 Coniagas Mine Cobalt Ontario, Canada Here is an unusual one! This specimen is extremely large, high-grade silver ore from Cobalt. It is composed of coars white calcite with silver laced throughout it, protruding here and there as leaves and plates. Most of the silver is tarnished pitch-black but here and there the true colour of the silver is exposed. There are some arsenides present on one side but it is mostly just silver and calcite. The piece is not weathered, at all and came from active mining operations many years ago. R	Item #22828 Spinel, Amphibole 12.5x3.8x3.1 cm Largest Crystal Size: 5mm $65.00 Gilgit Pakistan Lots of reddish-purple, octahedral spinel crystals are exposed in this white marble matrix, along with a green amphibole group mineral. The spinel crystals are all complete with some very sharp and others a little rounded. Nice example! R	Item #22824 Mercury, Cinnabar 3.6x3.0x2.6 cm Largest Crystal Size: small $35.00 Almaden Ciudad Real, Castile-La Mancha Spain Nice crystals of cinnabar and droplets of native mercury are present in the fractures exposed in this piece.	Item #22823 Cinnabar, Mercury 6.0x5.0x3.5 cm Largest Crystal Size: small $35.00 Almaden Ciudad Real, Castile-La Mancha Spain Lots of mercury in this specimen, present as smeared blobs and droplets on calcite and quartz crystals. A couple of nice cinnabar crystals, too!
Item #22820 Mercury, Cinnabar 6.8x3.8x2.5 cm Largest Crystal Size: 1mm $40.00 Almaden Ciudad Real, Castile-La Mancha Spain A vug on one end of this specimen shows a single sharp, beautiful cinnabar crystal and lots of globules of liquid, metallic mercury. Excellent example!	Item #22815 Mercury, Cinnabar 3.9x2.4x1.1 cm Largest Crystal Size: c-3mm, m-0.5mm $40.00 Almaden Ciudad Real, Castile-La Mancha Spain This matrix of calcite and cinnabar has several openings with excellent droplets of native mercury in them. Excellent specimen of this unusual native element.	Item #22807 Sphalerite, Galena, Quartz, Calcite 17.2x11.5x4.5 cm Largest Crystal Size: s-34mm, g-4mm $75.00 Shuikoushan Mine Hunan China This plate of sparkling, tiny, drusy quartz crystals has lustrous, orangey sphalerite crystals scattered on it. As well there are small galena crystals and some honey-coloured calcite crystals near the top. Very displayable piece of this great association! R	Item #22801 Calcite, Quartz 18.0x10.5x7.5 cm Largest Crystal Size: 78mm $85.00 Droujba Mine Bulgaria A very handsome specimen showing a large scalenohedal crystal, accompanies by a number of smaller crystals on sparkling quartz crystals. The calcite may, in fact be a hollow "pseudo" or epimorph of calcite after calcite but there is no sign of it. A couple of the smaller crystal appear to be hollow at the edge of the matrix. It sure displays well! R
Item #22799 Tennantite ps Enargite, Pyrite 13.8x11.1x4.0 cm Largest Crystal Size: 16mm $140.00 Julcani Mine Angarres, Huancavelica Peru A large plate of 4mm or so pyrite crystals with a central area of sharp pseudos of tennantite pseudomorphs after enargite. Some small tennatite crystals are on the pseudos. Very nice piece that displays well. R	Item #22798 Magnetite 11.5x7.5x4.5 cm Largest Crystal Size: 7mm $120.00 Cerro Huanaquino Potosi Bolivia The top of this matrix is largely covered with extremely sharp lustrous, black octahedra of magnetite. One of the primo localities of the world! Displays extremely well! R	Item #22797 Dawsonite, Calcite 16.0x6.0x3.6 cm Largest Crystal Size: 7mm $65.00 St. Bruno Quebec, Canada Masses of dawsonite fibers are present in fracture in this apparent limestone matrix. openings in the rock are lined with calcite rhombs. Unusual! R	Item #22796 Copper, Cuprite 10.4x6.8x3.6 cm Largest Crystal Size: cop-2mm, cup-micro $110.00 Bisbee Arizona, USA Clusters of copper crystals are present between breccia fragments in this specimen. The copper is largely coated with cuprite crystals including acicular cuprite, also known as chalcotrichite. Looks great! R
Item #22787 Copper 9.5x6.8x3.8 cm Largest Crystal Size: n/a $140.00 Tsumeb Namibia Wow! Richest specimen of native copper that I have seen from Tsumeb! One side of the piece is sawn to reveal the cross-sectional texture of the mineralogy. The other side is rough, exhibiting copper crystals surrounded by calcite cleavages. soem of the calcite is tinted red by cuprite or hematite. As well, some of the copper crystals are encrusted with cuprite. Extremely rich and excellent specimen! R	Item #22785 Barite, Siderite, Galena 8.5x6.0x5.7 cm Largest Crystal Size: 26mm $75.00 Black Cloud Mine Leadville Colorado, USA A matrix of pyrite and galena that is largely covered by crystals of baryte, galena and siderite. A little bruising but still a nice old-time Leadville specimen! R	Item #22782 Hematite 12.0x11.2x6.7 cm Largest Crystal Size: n/a $75.00 Egremont Cumbria England A large mass of botryoidal hematite, Just like in the old textbooks! both sides of this piece are undulating exposures of red hematite in "mammilary" habit. Extra postage, pls! :) Excellent example! R	Item #22776 Fluorite 17.6x13.1x4.5 cm Largest Crystal Size: 14mm $140.00 Chenzhou Hunan China Quite a stunning fluorite specimen! It shows a wonderful middle zone of light green, gemmy fluorite crystals exhibiting, primarily, cubic faces with some small beveled edges in some of the crystals. Displays perfectly! R
Item #22774 Danburite, Quartz 8.4x7.7x5.5 cm Largest Crystal Size: 50mm $110.00 Charcas San Luis Potosi Mexico A cluster of elongated, tabular danburite crystals totally covered with tiny, sparkling quartz crystals. A real display specimen and excellent for this mineral! AND from the classic locality! R	Item #22772 Albite 13.7x6.6x5.0 cm Largest Crystal Size: 18mm $75.00 Gamsberg Namibia A superb specimen of albite crystals. It is an elongated mound of creamy, very sharp crystals. Displays perfectly! R	Item #22766 Mimetite 9.3x5.2x2.6 cm Largest Crystal Size: n/a $55.00 Ojuela Mine Mapimi Mexico Nice plate of radiating, sort of botryoidal groups of yellow mimetite. Classic! R	Item #22764 Tetrahedrite, Quartz 14.7x7.0x5.2 cm Largest Crystal Size: 50mm $85.00 Casapalca Mine Casapalca, Huarochiri, Lima Peru A super plate of large tetrahedrite crystals encrusted with sparkling quartz crystals. The tetrahedrite crystals show tetrahedral form, modified by bevels on the corners. Great looking specimen of this mineral! R
Item #22762 Malachite, ps Azurite, Calcite 3.2x1.8x2.8 cm Largest Crystal Size: 10mm $40.00 Tsumeb Namibia A sharp pseudomorph of malachite after azurite on calcite crystal matrix. The pseudomorph has a couple of areas of azurite overgrowth or residual azurite but by looking at the other crystals, the azurite is largely replaced by the malachite. R	Item #22759 Scholzite, Chalcophanite 7.9x4.9x4.3 cm Largest Crystal Size: 12mm $150.00 Reaphook Hill South Australia Australia A beautiful specimen of scholzite! A long cavity across the front of the specimen reveals a lining of sparkling, colourless, acicular scholzite crystals. There are also tiny balls of what I think are chalcophanite on many of the needles. Displays very well!	Item #22758 Grossular 8.9x6.5x1.5 cm Largest Crystal Size: 7mm $120.00 Jeffrey Mine Asbestos Quebec, Canada A very nice plate of grossular crystals from this world famous locality. The crystals are sharp, gemmy, orangey coloured and show the dodecahedral crystal form. Looks great!	Item #22752 Celestine 6.2x4.8x3.8 cm Largest Crystal Size: 10mm $65.00 Beinev-Kyr Turkmenistan A vug of beautiful, water-clear, bladed celestine crystals is perfectly exposed on the top and side of this specimen. Nice specimen from an unusual part of the world! Displays well.
Item #22744 Schorl 5.2x6.2x3.0 cm Largest Crystal Size: 49mm $55.00 Kunar Province Afghanistan A cluster of pitch-black crystals of the schorl variety of tourmaline. The main crystal is extra interesting with a sort of hollow termination with some feldspar in it. Sharp-looking!	Item #22742 Lazurite 6.0x5.9x4.8 cm Largest Crystal Size: 14mm $80.00 Badkshne Afghanistan A dark blue, dodecahedral lazurite crystal is prominently exposed on the front of this pure white marble matrix. There are a number of other smaller lazurite crystals in the matrix, along with small graphite crystals. Looks great! Nice specimen of this beautiful sulphur-bearing alumino-silicate.	Item #22739 Dundasite 4.7x3.4x1.5 cm Largest Crystal Size: 0.5mm $35.00 Dundas Tasmania Australia Lots of spherules of white dundasite on this gossanous matrix. From the famous crocoite area!!	Item #22737 Crocoite 5.8x4.1x2.8 cm Largest Crystal Size: 11mm $35.00 Dundas Tasmania Australia Bright orange crystals of this unusual lead mineral from the area that produces the best! The crystals project into cavities in gossan matrix, many well terminated! Nice example!
Item #22736 Anglesite, Galena 4.4x2.3x2.2 cm Largest Crystal Size: 6mm $45.00 Freiberg Saxony Germany This specimen is mostly composed of clear, colourless anglesite crystals in numerous vugs and openings with a little relict galena here and there. Sharp crystals from a famous, old locality!	Item #22730 Siderite 6.2x4.5x3.0 cm Largest Crystal Size: 18mm $35.00 Morro Velho Mine Nova Lima, M.G. Brazil Sharp, discoidal siderite crystals and smaller similarly shaped dolomite crystals speckled with small pyrrhotite crystals make up this specimen. This old gold mine is long-closed!	Item #22726 Celestine 6.8x5.5x3.3 cm Largest Crystal Size: 32mm $75.00 Holloway Quarry Newport Michigan, USA This cluster is composed of light-blue-grey celestine crystals piled up in a pleasing manner. The crystals are fairly thin-bladed with sharp faces. Wonderful cluster!	Item #22722 Brazilianite 6.8x2.9x2.8 cm Largest Crystal Size: as above $65.00 Conselheiro Pena Minas Gerais Brazil A large brazilianite crystal from one of the most famous brazilianite localities. The crystal has very good faces on three sides but more frosted faces on the other sides where it grew in contact with other minerals. Nice termination!