David K. Joyce

Treasures, Odds and Sods, Various Localities, Page Two

Here are more excellent specimens that just don't fit in the other categories on this website!

All prices in Canadian dollars. For payment in US$, deduct 18% or multiply by 0.82.

Click on any of the following thumbnails to view a larger image of the specimen.

Item #28281 Hematite 6.8x5.0x3.5 cm Largest Crystal Size: as above $95.00 Wessels Mine Hotazel, Northern Cape South Africa A very large, prismatic, terminated hematite crystal with a cap of tiny calcite crystals and iron oxide. The front of the crystal is well formed with lustrous crystal faces and minimal damage. The back is all massive hematite where the crystal was attached to the orebody. Impressive!	Item #28276 Siderite, Quartz, Goethite 6.9x4.5x4.5 cm Largest Crystal Size: q-2mm, s-1mm $65.00 Wheal Drea St. Just, Cornwall England This is an interesting one. There is a cavity across much of the top of the matrix that is lined with quartz crystals and then in turn heavily speckled with beautiful, elongated, trigonal crystals of siderite. There are small masses of sparkling second generation quartz crystals as well. Under the first generation of quartz cavity is lined with botryoidal goethite, brown-coloured banding, with different hues. Nice specimen from this famous old mining area!	Item #13296 Arsenopyrite, Quartz 7.7x4.7x4.8 cm Largest Crystal Size: 6mm $65.00 Trepca Kosovo A nice cluster of bright arsenopyrite crystals, largely covered with milky quartz crystals. Nice piece from a classic locality!	Item #18959 Quartz, Gwindel 10.5x7.0x5.2 cm $425.00 Val Guif Tavetsch Switzerland A beautifully formed, classic, Swiss quartz "gwindel". The crystal is elongated along one of the horizontal axes and shows excellent terminations. The quartz is very gemmy smoky quartz with a light dusting of dark green chlorite. There are a couple of contact points on the top and one side of the crystal that do not detract from the specimen. Most gwindels are sans matrix but this one is attached to a matrix fragment that is composed of quartz and chlorite. Sits perfectly and displays very well from either side. Classic! t
Item #20343 Quartz, Elpidite 10.6x7.0x4.3 cm Largest Crystal Size: 92mm $75.00 Mt. Malosa, Zomba Plateu Zomba Malawi Three interlocking quartz crystals with acicular elpidite shooting through and between the crystals. Very nice specimen of quartz and nice specimen of elpidite, as well! Unusual specimen!	Item #20007 Hematite, Quartz 6.0x4.1x4.7 cm Largest Crystal Size: h-3mm $45.00 Switzerland Sharp, thick-platy, lustrous, metallic hematite crystals are thickly concentrated on one side of a couple of milky, iron-tinted quartz crystals protruding from matrix. All I know is that it is from Switzerland. Ex J. Albanese collection, accompanied by J. Betts label with provenance. Nice! t	Item #20618 Quartz, Hematite, Fluorite 9.4x8.8x2.9 cm Largest Crystal Size: 11mm $65.00 Aouli, Midelt Khenifra Morocco This specimen shows a plate of hematite-tinted quartz crystals that in turn coat a plate of yellow fluorite. Interesting specimen! t	Item #21002 Ferberite 7.7x8.7x4.0 cm Largest Crystal Size: 55mm $85.00 Yaogangxian Mine Chenzhou City, Hunan China A cluster of pitch-black ferberite crystals that have small arsenopyrites here and there. The ferberite crystals are bladed with dull-black luster and very sharp faces. Interestingly, the arsenopyrite crystals all have a ring of a yellow alteration product around them-scorodite? Not perfect but excellent for this mineral.
Item #21007 Stibnite 13.4x1.4x0.9 cm Largest Crystal Size: as above $75.00 Wuling Antimony Mine Jian Xi China Nice, lustrous, terminated stibnite crystal from this famous antimony producing area of the world. Classic!	Item #21235 Rutile 7.6x5.3x4.5 cm Largest Crystal Size: 24mm $110.00 Graves Mountain Georgia, USA Here is an American Classic! This specimen shows a sharp, equant rutile crystal perched atop a matrix. Sweet! Displays perfectly!	Item #21414 Hemimorphite 17.5x10.6x6.1 cm Largest Crystal Size: 11mm $160.00 Sterling Hill Mine New Jersey, USA A large specimen of botryoidal hemimorphite from the upper oxidation zone of this famous old deposit. A close up of the botryoids show that they are composed of the terminations of many beveled hemimorphite crystals. Unusual!	Item #21597 Sturmanite 7.3x5.5x1.7 cm Largest Crystal Size: 4mm $85.00 N'Chwaning II Mine Hotazel, Cape Province South Africa The top of this fragment of manganiferous rock is covered with sturmanite crystals. The sturmanite is in hexagonal-pyramidal crystals ranging in colour from a dull orangey-brown to a brighter yellowish-brown. Very sharp crystals!
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 #22742 Lazurite 6.0x5.9x4.8 cm Largest Crystal Size: 14mm $70.00 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 #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 #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 #24556 Epidote 6.5x4.7x2.5 cm Largest Crystal Size: 7mm $40.00 Calumet Mine Salida, Chaffe Co. Colorado, USA A plate of deep-green epidote crystals showing chisel-like terminations. Very lustrous! The crystals often have fine-grained chlorite in between them. s	Item #24589 Apatite 7.2x5.0x7.4 cm Largest Crystal Size: 11mm $55.00 Palermo No. One Mine North Groton, Grafton Co. New Hampshire, USA A sharp, primatic, pinacoid-terminated apatite crystal is nicely exposed in a cavity in this feldspar-mica pegmatite matrix. Nice locality specimen!	Item #24690 Sturmanite 5.6x3.9x4.9 cm Largest Crystal Size: 18mm $140.00 Wessels Mine Kurman, Cape Province South Africa Several nice, sharp, dull-yellow crystals of sturmanite are present on this piece and one stands out as excellent. The crystals are flattened dypyramids with very small pinacoid faces. Excellent example! s	Item #24921 Beryl 3.5x0.8x1.4 cm Largest Crystal Size: as above $55.00 Erongo Mountains Erongo Namibia An extremely sharp, hexagonal prism of light blue aquamarine, the blue variety of beryl. The crystal has a sharp pinacoidal termination and lots of small, black tourmaline crystals attached to it and included in it. And a nice "sidecar" crystal to boot! s
Item #25118 Adularia, Quartz 10.8x6.0x6.2 cm Largest Crystal Size: 12mm $40.00 Uri Switzerland The adularia on this specimen is associated with smaller, 4-6mm, quartz crystals and 2mm mica crystals. The adularia is fairly gemmy and colourless and a great looking type of feldspar. These are beautifully formed 10-12mm adularia crystals from an historic collecting region in Switzerland. DD	Item #25208 Ancient Stone Tools 5.9x6.0x3.3 cm Largest Crystal Size: as above $75.00 Kimberly South Africa Well, these are not minerals but they ARE interesting! They were from an old collection. Stone tools from the Kimberly area of South Africa. Not my expertise, so I can't tell you anymore details.	Item #25235 Tremolite 7.8x4.3x1.5 cm Largest Crystal Size: n/a $45.00 BC Mine Black Lake Quebec, Canada A mass of extremely fine crystals of tremolite that resembles cloth. "Mountain Leather", in fact! Such an unusual form of this mineral.	Item #25943 Axinite. 2.4x1.8x0-.5 cm Largest Crystal Size: as above $65.00 Puiva Mount Russia A razo-sharp crystal of axinite from this famous locality. The crystal is gemmy and the faces lustrous and sharp.
Item #26308 Witherite 9.0x6.1x3.0 cm Largest Crystal Size: 40mm $85.00 Cave-in-Rock Hardin County Illinois, USA This is an odd aggregate of stepped witherite crystals that, I think is composed of several interlocking crystals. A fragment of purple and yellowish fluorite embedded in the top. Very interesting nice specimen that shows well.	Item #26364 Hematite 3.3x2.7x1.7 cm Largest Crystal Size: as above $110.00 St. Gottard Switzerland A beautiful, well formed cluster of hematite crystals from this famous hematite crystal producing region. The crystals are formed into a flattened "Eisenrosen" or "Iron Rose". Classic Alpine mineral specimen.	Item #26509 Rutile 3.1x2.5x2.4 cm Largest Crystal Size: as above $75.00 Graves Mountain Lincoln County Georgia, USA A well formed (on several sides), rutile crystal from one of the most famous localities. The crystal is characteristically twinned with re-entrant facial angles on on termination. Back and part of sides contacted or point of attachment. Still pretty nice rutile crystal!	Item #26658 Beryl 6.0x6.3x4.7 cm Largest Crystal Size: 47mm $75.00 Mt. Apatite Auburn Maine, USA This specimen is largely beryl that was embedded in glassy, greyish quartz and some of the quartz, plus a couple of mica crystals remain attached to the beryl. The beryl is light green and the crystals at the top of the specimen are a divergent, terminated group of crystals. Classic Maine pegmatitic beryl.
Item #26718 Epidote 4.8x3.5x2.7 cm Largest Crystal Size: 7mm $40.00 Guadalupe Isle Baja Mexico A specimen showing stout, sharp epidote crystals from this unusual location. Just like the specimens shown in mindat.org.	Item #27753 Spinel 1.6x1.6x0.8 cm Largest Crystal Size: 7.5mm $55.00 Morocoro Tanzania A single, untwinned, deep purplish spinel crystal embedded in calcite. Very similar to the specimens from Mogok, excepting the colour! Well formed, lustrous crystal.	Item #27794 Quartz, var.Tiger Eye 10.5x6.3x5.6 cm Largest Crystal Size: n/a $140.00 Africa Africa I just happen to have this piece. Not something I normally have! It is a nice example of this "pseudomorph of Quartz after fibrous crocidolite or asbestiform mineral. Sawn on base. Called Blue tiger eye but looks quite black to me. Beautiful!	Item #27798 Stilbite 6.5x5.8x5.0 cm Largest Crystal Size: 52mm $75.00 Pune Maharashtra India An interesting combination of a couple of stilbite "bow ties" and smaller single crystals .Stands perfectly!
Item #27894 Ferberite, Arsonopyrite 7.6x5.6x3.5 cm Largest Crystal Size: 23mm, a-4mm $120.00 Panasqueira Mine Panasqueira Portugal This plate of sharp arsenopyrite crystals has several, black, disc-like ferberite crystals on it in two places on the top. The crystals are composed of sharp faces. The whole specimen seems to have a slight coating of chalcopyrite or similar mineral which gives the arsenopyrite crystals a marcasite-like look. They are arsenopyrite, though! Looks great! Nice example!	Item #28076 Rhodochrosite 9.0x5.4x4.7 cm Largest Crystal Size: n/a $325.00 Capillitas Mine Andalgala, Catamarca Argentina A beautiful, partial stlactitic mass of pink-red rhodochrosite from this world famous locality. The piece is half a large botryoidal mound and shows beautiful banding throughout. It is sliced and polished on one side to show the banding. The top is rough and shows the outlines of rhodochrosite crystals. The bottom is partially polished and partially rough. Very good display specimen or could be sliced for jewelry making. Excellent example!	Item #28077 Rhodochrosite 23.0x15.5x4.5 cm Largest Crystal Size: n/a $1,800.00 Capillitas Mine Andalgala, Catamarca Argentina A MONSTER specimen of rhodochrosite from this amazing old, now closed silver mine. The piece is solid rhodochrosite showing banding and excellent pink-red colouration. Could be a spectacular center-piece for a mineral display or used as jewelry grade rhodochrosite for many nice pieces. The back is not pretty but you can see the banding through the beige colouration of the thin, carbonate deposited there, which attests to the solid nature of the rhodochrosite. Spectacular!	Item #28074 Rhodochrosite 13.2x6.3x0.7 cm Largest Crystal Size: n/a $85.00 Capillitas Mine Andalgala, Catamarca Argentina A very nice slice of banded rhodocrosite from this closed, silver mine, once worked by the Aztecs. Same both sides, essentially. Attractive specimen of this manganese carbonate!
Item #28182 Bertrandite, Fluorapatite, Quartz 9.5x7.5x3.3 cm Largest Crystal Size: b-3mm, fl-2mm $75.00 Harvard Mine Greenwood Maine, USA This large chunk of quartz has an area of, sort of, faden-like growths of quartz on the front-top. Between these quartz growths are lots of smaller quartz crystals sprinkled with sharp, rectangular-bladed bertrandite crystals and individuals and small groups of very light purple fluorapatite. Interesting piece from a classic Maine locality!	Item #28194 Opal 4.2x2.6x2.3 cm Largest Crystal Size: n/a $120.00 Walanula Andamooka Ranges, S. Australia Australia This fragment of dense ironstone has precious opal on two sides. The top side flashes gorgeous, emerald green fire while the side opal shows both red and blue-green fire. Very attractive example!