David K. Joyce Minerals

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 20% or multiply by 0.8.

 

Beryl, var Aquamarine, MuscoviteTreasures, Odds and Sods, Various Localities, Page Two
  • Item #18033
  • Beryl, var Aquamarine, Muscovite
  • 8.5x5.3x7.0 cm
  • Largest Crystal Size: 52mm
  • $450.00
  • Shigar Valley
  • Gilgit
    Pakistan
  • This beryl crystals, associated with sharp mica crystals has a very faint bluish-greenish colouration with categorizes it as aquamarine. The fairly gemmy crystal is a sharp prism with dominant pinacoid termination and small pyramidal truncations. There is a small group of parallel growth beryl crystals attached to the front of it. The whole specimen is attached to an acrylic base for ready displaying. Looks good!
Fluorite, QuartzTreasures, Odds and Sods, Various Localities
  • Item #18030
  • Fluorite, Quartz
  • 6.3x5.3x4.6 cm
  • Largest Crystal Size: q-57mm, f-17mm
  • $180.00
  • Yaogangxian Mine
  • Chenzhou City, Hunan
    China
  • This is a funky looking piece! A tripod of milky-white quartz crystals supports a cluster of sharp, cubic fluorite crystals. The fluorite crystals are gemmy-green-blue underneath but have an upper surface that is a milky, porcelainous sort of look to it. Some contact points on the fluorite. Looks great from several directions. A Trinity Minerals label accompanies the specimen.
SmithsoniteTsumeb, Namibia, Smithsonite
  • Item #18029
  • Smithsonite
  • 5.4x4.0x1.6 cm
  • Largest Crystal Size: 3mm
  • $85.00
  • Tsumeb

  • Namibia
  • This plate is covered with smithsonite, almost all over except on contact points. The smithsonite is a lovely green colour with very good lustre. The crystals are composite with rhombohedral terminations prominently sparkling. Looks great! A real little gem.
Chalcostibite, Pyrite, TetrahedriteSulphides, Arsenides, etc. Miscellaneous
  • Item #18028
  • Chalcostibite, Pyrite, Tetrahedrite
  • 6.2x5.6x3.8 cm
  • Largest Crystal Size: 3mm
  • $150.00
  • Boldut Mine
  • Cavnic, Maramures
    Romania
  • There are a number of clusters of lustrous, bladed chalcostibite crystals associated with tetrahedrite and pyrite crystals on this drusy quartz matrix. The chalcostibite crystals are very sharp, flat, bladed crystals with excellent terminations. Fabre Label accompanies it. Rare mineral!
Galena, SphaleriteSulphides, Arsenides, etc. Miscellaneous
  • Item #18027
  • Galena, Sphalerite
  • 7.7x5.2x4.8 cm
  • Largest Crystal Size: 25mm
  • $160.00
  • Commodore Mine
  • Creede, Mineral County
    Colorado, Canada
  • A very cool specimen of sharp, composite galena cubes piled up on top of a sphalerite crystal encrusted matrix of mostly sphalerite. The galena crystals are composed of stacked cubes and have interesting morphology. Has a thin coating of a lacquer. Old Larry Conklin and David Shannon labels accompany it. This specimen from a classic western locality displays very well!
Cassiterite, MuscoviteTreasures, Odds and Sods, Various Localities
  • Item #18026
  • Cassiterite, Muscovite
  • 7.4x5.3x4.0 cm
  • Largest Crystal Size: 32mm
  • $120.00
  • Shaobaodin Mountains
  • Pingwu, Sichuan
    China
  • A highly lustrous, twinned black cassiterite crystal is perfectly perched on a mound of mica blades. The cassiterite is contacted on the back where it formed against another cassiterite crystal but is al crystal faces from the front. Nice pegmatitic specimen of this tin oxide mineral. Displays perfectly!
Gypsum, var SeleniteCanadian Specimens, Various Localities
  • Item #18024
  • Gypsum, var Selenite
  • 6.2x6.0x4.6 cm
  • Largest Crystal Size: 25mm
  • $130.00
  • Red River Floodway
  • Winnipeg
    Manitoba, Canada
  • A very nice cluster of gypsum crystals from one of the great gypsum localities. This is one of the lesser-known "styles" consisting of blocky, light yellow crystals as opposed to the large, more bladed crystals that we usually see. Very little abrasion. Still a little of the original clay attached. Ex Marty Zinn collection and comes with old Kristalle and Cal-Neva labels. Displays very well!
Skutterudite, ArsenopyriteCobalt/Gowganda, Ontario -Various Species
  • Item #18023
  • Skutterudite, Arsenopyrite
  • 9.0x8.8x6.0 cm
  • Largest Crystal Size: 11mm
  • $150.00
  • Hudbay (Rustex) Mine
  • Gowganda
    Ontario, Canada
  • The top of this specimen reveals an opening exposed by etching calcite away. The opening is lined with sharp, classic crystals of skutterudite showing typically lop-sided cubes with smaller cube-octahedral crystals of skutterudite on the bigger faces. Really an excellent specimen of this mineral from a classic location! Some tiny arsenopyrite crystals are scattered around. Shows well!
FluoriteTreasures, Odds and Sods, Various Localities
  • Item #18020
  • Fluorite
  • 5.2x5.1x3.4 cm
  • Largest Crystal Size: 18mm
  • $140.00
  • Hsianhua Ridge
  • Linwu, Hunan
    China
  • THIS is a very cool specimen showing BOTH simple octahedral and simple cubes of fluorite in the same cluster! Unusual! There seems to be octahedral crystals of rock-candy fluorite above and under stepped green cubes of fluorite. Very interesting piece!
Gormanite, QuartzYukon Phosphates, Gormanite
  • Item #18017
  • Gormanite, Quartz
  • 3.4x2.9x2.4 cm
  • Largest Crystal Size: 5mm
  • $65.00
  • Big Fish River

  • Yukon, Canada
  • Lovely sprays of deep-green gormanite crystals associated with thick, colourless-white quartz crystals. Sits perfectly for display!
Gormanite, Siderite, PyriteYukon Phosphates, Gormanite
  • Item #18015
  • Gormanite, Siderite, Pyrite
  • 4.5x2.2x1.2 cm
  • Largest Crystal Size: 3mm
  • $65.00
  • Big Fish River

  • Yukon, Canada
  • The top of this plate is a solid bristling grouping of lighter-green, acicular cormanite crystals with many small, dark brown siderite crystals suspended in the gormanite sprays. Also some interesting balls of golden pyrite crystals. Nice piece!
Gormanite, Fluorapatite, QuartzYukon Phosphates, Gormanite
  • Item #18012
  • Gormanite, Fluorapatite, Quartz
  • 3.3x2.4x2.1 cm
  • Largest Crystal Size: 5mm
  • $75.00
  • Big Fish River

  • Yukon, Canada
  • The top of this specimen is covered by a spiky grouping of sharp, dark-green, acicular crystals of gormanite. As well, at the back left the matrix id covered with a grouping of sharp, tabular, colourless fluorapatite prisms. Excellent!
Gormanite, Quartz, SideriteYukon Phosphates, Gormanite
  • Item #18009
  • Gormanite, Quartz, Siderite
  • 8.3x6.7x2.7 cm
  • Largest Crystal Size: 4mm
  • $75.00
  • Big Fish River

  • Yukon, Canada
  • This specimen is a quartz-gormanite vein that has been split open to reveal several areas of excellent gormanite crystals. The crystals are sharp, acicular and dark green in parallel growth and radiating sprays. A geological as well as mineralogical specimen! Lots to look at!
Gormanite, SideriteYukon Phosphates, Gormanite
  • Item #18008
  • Gormanite, Siderite
  • 4.8x3.3x3.5 cm
  • Largest Crystal Size: 4mm
  • $125.00
  • Big Fish River

  • Yukon, Canada
  • The front of this piece is covered with deep-green, acicular gormanite crystals, associated with corroded siderite rhombohedra. Displays perfectly!
Gormanite, Quartz, SideriteYukon Phosphates, Gormanite
  • Item #18007
  • Gormanite, Quartz, Siderite
  • 4.4x3.4x3.5 cm
  • Largest Crystal Size: 5mm
  • $75.00
  • Big Fish River

  • Yukon, Canada
  • A jumble of sharp, acicular gormanite crystals line a deep vug on top of this piece. There are als o a number of quartz crystals, some small siderites and one single, sharp, colourless fluorapatite crystal. Excellent!
Gormanite, Quartz, SideriteYukon Phosphates, Gormanite
  • Item #18006
  • Gormanite, Quartz, Siderite
  • 4.6x4.9x3.4 cm
  • Largest Crystal Size: 5mm
  • $85.00
  • Big Fish River

  • Yukon, Canada
  • Much of the top and back parts of this specimen are covered with deep-green gormanite needles. One tessin-style quartz crystal pokes out of the middle of the mass. Some bruising but very rich with many crystals!
Gormanite, Brazilianite, SideriteYukon Phosphates, Gormanite
  • Item #18005
  • Gormanite, Brazilianite, Siderite
  • 5.1x3.4x2.0 cm
  • Largest Crystal Size: 4mm
  • $65.00
  • Big Fish River

  • Yukon, Canada
  • Lots of sprays of deep green gormanite crystals associated with brazilianite crystals on this plate of siderite crystals. Some tiny siderite crystals suspended in the gormanite needles, as well!
Gormanite, Eosphorite, SideriteYukon Phosphates, Gormanite
  • Item #18003
  • Gormanite, Eosphorite, Siderite
  • 10.5x4.5x2.5 cm
  • Largest Crystal Size: 14mm
  • $150.00
  • Big Fish River

  • Yukon, Canada
  • A very nice plate of siderite crystals with excellent sprays of acicular gormanite crystals here and there. There is one very large gormanite spray/ball at the back right of the specimen. All of the gormanite sprays have golden-coloured eosphorite crystals on them. Sawn base. Displays very well!
Gormanite, Brazilianite, SideriteYukon Phosphates, Gormanite
  • Item #18001
  • Gormanite, Brazilianite, Siderite
  • 10.3x3.2x2.2 cm
  • Largest Crystal Size: 5mm sprays
  • $225.00
  • Big Fish River

  • Yukon, Canada
  • A superb example of this rare phosphate mineral, showing typical green sprays of gormanite needles on deep, brown, sharp siderite crystals. A few sharp brazilianite crystals associated. Sawn base. Looks great!
Imiterite, Proustite, AcanthiteMorocco, Imiter Mine, Acanthite ps Argentite
  • Item #17992
  • Imiterite, Proustite, Acanthite
  • 7.0x3.9x2.3 cm
  • Largest Crystal Size: 5mm
  • $140.00
  • Imiter Mine
  • Djebel Saghro, Ouarzazate
    Morocco
  • This is different one. Look at the elongated acanthite ps argentite crystals in this one?! When I first saw them, I thought they were imiterite. They are not the right shape, however and are totally flexible. They are square in cross section and have cube-octahedral terminations. Very cool and unusual! They are all attached to regular, octahedral acanthite ps argentite crystals. Great proustite, as well!!
ProustiteMorocco, Imiter Mine, Proustite, Xanthoconite, etc.
  • Item #17991
  • Proustite
  • 12.2x6.7x4.9 cm
  • Largest Crystal Size: 5mm
  • $240.00
  • Imiter
  • Bou Azer, Ouarzazate
    Morocco
  • The top of this specimen is an exposed veinlet of ruby-red proustite crystals against white calcite. There are many crystals laying flat against the calcite and they formed mostly horizontally in the narrow veinlet. Rich! Shows well!
ProustiteMorocco, Imiter Mine, Proustite, Xanthoconite, etc.
  • Item #17990
  • Proustite
  • 12x12x7.4 cm
  • Largest Crystal Size: n/a
  • $440.00
  • Imiter Mine
  • Djebel Saghro, Ouarzazate
    Morocco
  • This specimen has many openings lined with hundreds of gemmy-red, proustite crystals. The best areas are on the front and one side but there are many other openings with proustite. Impressive, excellent specimen! Shows well.
Proustite, XanthoconiteMorocco, Silver, Bouismas Mine, Bouismas, Bou Azer District, Ouarzazate Province
  • Item #17989
  • Proustite, Xanthoconite
  • 9.6x3.5x3.0 cm
  • Largest Crystal Size: 7mm
  • $225.00
  • Bouismas Mine
  • Bou Azer, Ouarzazate
    Morocco
  • The top of this specimen is an exposed seam showing lots of ruby-red, proustite crystals and interlocking crystals. As well, there is one orangey-yellow xanthoconite crystal, slightly bruised but larger than average and rare!
ProustiteMorocco, Imiter Mine, Proustite, Xanthoconite, etc.
  • Item #17987
  • Proustite
  • 9.6x5.5x6.3 cm
  • Largest Crystal Size: n/a
  • $240.00
  • Imiter Mine
  • Djebel Saghro, Ouarzazate
    Morocco
  • A wide vug at the front of this grey-matrix specimen is lined with loads of excellent, sharp, gemmy-red, prismatic proustite crystals, most individuals but many twinned. Very, very nice! Displays well.
Proustite, SaffloriteMorocco, Silver, Bouismas Mine, Bouismas, Bou Azer District, Ouarzazate Province
  • Item #17986
  • Proustite, Safflorite
  • 8.2x5.7x2.6 cm
  • Largest Crystal Size: 5mm
  • $75.00
  • Bouismas Mine
  • Bou Azer, Ouarzazate
    Morocco
  • This fragment of solid safflorite shows openings in the safflorite, lined with bladed crystals of that mineral. As well, there are some ruby-red, gemmy proustite crystals. Interesting and different piece!
ProustiteMorocco, Imiter Mine, Proustite, Xanthoconite, etc.
  • Item #17983
  • Proustite
  • 4.0x3.3x2.5 cm
  • Largest Crystal Size: 2mm
  • $120.00
  • Imiter Mine
  • Djebel Saghro, Ouarzazate
    Morocco
  • This specimen has rounded groups of proustite crystals, sort of botryoidal, all gathered together with very little matrix. Almost all proustite! The crystals are deep red, tending to black with well formed terminations forming the outer edges of each rounded aggregate. A little bruising. Displays very well!
ProustiteMorocco, Silver, Bouismas Mine, Bouismas, Bou Azer District, Ouarzazate Province
  • Item #17982
  • Proustite
  • 5.4x2.6x2.8 cm
  • Largest Crystal Size: 5mm
  • $65.00
  • Bouismas Mine
  • Bou Azer, Ouarzazate
    Morocco
  • This matrix of white calcite has lots of proustite in it. At the top, there is an opening that has many proustite crystals in it, some, very well formed, elongated, terminated prisms.
Proustite, AcanthiteMorocco, Imiter Mine, Proustite, Xanthoconite, etc.
  • Item #17980
  • Proustite, Acanthite
  • 5.5x4.2x3.5 cm
  • Largest Crystal Size: n/a
  • $75.00
  • Imiter Mine
  • Djebel Saghro, Ouarzazate
    Morocco
  • This specimen has a concave area on one side that is lined with deep red, prismatic proustite crystals. The crystals are the classic "ruby silver" that surprises us! How can several opaque metals combine chemically and naturally to produce such a gemmy, red substance?! Very nice!
Sphalerite, PyritePeru, Casapalca Mine
  • Item #17965
  • Sphalerite, Pyrite
  • 9.2x9.1x5.5 cm
  • Largest Crystal Size: 78mm
  • $80.00
  • Casapalca Mine
  • Huarochiri, Lima
    Peru
  • A monster sphalerite crystal on massive sphalerite. THIS is a sphalerite specimen! The crystal shows prominent stria that illustrate the twinning. Excellent lustre. Accompanied by a single pyrite crystal. Shows well.
CelestineSouth Ontario Limestone Quarries -Amherstberg
  • Item #17955
  • Celestine
  • 10.5x7x6.5 cm
  • Largest Crystal Size: 10mm
  • $50.00
  • McGregor Quarry
  • Amherstburg
    Ontario, Canada
  • Nice showing of a couple of lines of celestine crystals passing through limestone matrix.
CelestineSouth Ontario Limestone Quarries -Amherstberg
  • Item #17954
  • Celestine
  • 9.5x7.0x5.0 cm
  • Largest Crystal Size: 10mm
  • $40.00
  • McGregor Quarry
  • Amherstburg
    Ontario, Canada
  • This fragment of limestone shows a trend of brownish, bladed celestine crystals embedded in one end.
CelestineSouth Ontario Limestone Quarries -Amherstberg
  • Item #17953
  • Celestine
  • 9.0x7.0x6.0 cm
  • Largest Crystal Size: 10mm
  • $40.00
  • McGregor Quarry
  • Amherstburg
    Ontario, Canada
  • A zone of brown, bladed celestine crystals seems to follow a trend in this limestone matrix.
CelestineSouth Ontario Limestone Quarries -Amherstberg
  • Item #17952
  • Celestine
  • 9.0x9.0x5.0 cm
  • Largest Crystal Size: 10mm
  • $40.00
  • McGregor Quarry
  • Amherstburg
    Ontario, Canada
  • A couple of trends of brown, bladed celestine crystals cut through this chalky limestone matrix. Different!
CelestineSouth Ontario Limestone Quarries -Amherstberg
  • Item #17951
  • Celestine
  • 8.0x7.0x4.0 cm
  • Largest Crystal Size: 10mm
  • $35.00
  • McGregor Quarry
  • Amherstburg
    Ontario, Canada
  • Brown bladed celestine crystals are embedded in this limes tone and follow a line of weakness through the matrix. Interesting!
CalciteSouth Ontario Limestone Quarries -Amherstberg
  • Item #17949
  • Calcite
  • 6.0x6.5x6.0 cm
  • Largest Crystal Size: 10mm
  • $30.00
  • McGregor Quarry
  • Amherstburg
    Ontario, Canada
  • Nice, twinned calcite crystals in fine-grained limestone. Unusual locality!
CelestineSouth Ontario Limestone Quarries -Amherstberg
  • Item #17947
  • Celestine
  • 11.5x8x6 cm
  • Largest Crystal Size: 10mm
  • $50.00
  • McGregor Quarry
  • Amherstburg
    Ontario, Canada
  • A line of brown, bladed celestine crystals cuts through one end of this chalky limestone. Interesting!
CelestineSouth Ontario Limestone Quarries -Amherstberg
  • Item #17946
  • Celestine
  • 10.0x10.0x11.0 cm
  • Largest Crystal Size: 10mm
  • $60.00
  • McGregor Quarry
  • Amherstburg
    Ontario, Canada
  • A nice seam of brown bladed celestine crystals runs through the top of this chalky limestone matrix. Looks good!
CelestineSouth Ontario Limestone Quarries -Amherstberg
  • Item #17945
  • Celestine
  • 10.2x8.3x5.5 cm
  • Largest Crystal Size: 10mm
  • $40.00
  • McGregor Quarry
  • Amherstburg
    Ontario, Canada
  • This chalky limestone has a seam of brown, bladed celestine crystals cutting through it on all sides.
WarditeYukon Phosphates, Wardite, Rapid Creek, Yukon Territory
  • Item #17944
  • Wardite
  • 3.5x2.4x1.9 cm
  • Largest Crystal Size: 15mm
  • $75.00
  • Rapid Creek

  • Yukon, Canada
  • A larger, very sharp crystal of wardite sits at the front, or top of this plate of smaller crystals. Really nice crystal!
Wardite, SideriteYukon Phosphates, Augelite, Rapid Creek, Yukon Territory
  • Item #17943
  • Wardite, Siderite
  • 6.1x5.5x3.5 cm
  • Largest Crystal Size: 5mm
  • $65.00
  • Rapid Creek

  • Yukon, Canada
  • Some very nice, sharp crystals of wardite are scattered on this plate of small siderite crystals -both sides. Some bruising but lots of very good crystals.
WarditeYukon Phosphates, Wardite, Rapid Creek, Yukon Territory
  • Item #17935
  • Wardite
  • 4.4x3.3x2.1 cm
  • Largest Crystal Size: 14mm
  • $85.00
  • Rapid Creek

  • Yukon, Canada
  • A couple of excellent larger crystals of wardite, plus several smaller, partly coated with tiny, needle-like crystals of eosphorite on a siderite crystal-coated matrix. Nice one!
WarditeYukon Phosphates, Wardite, Rapid Creek, Yukon Territory
  • Item #17930
  • Wardite
  • 5.5x3.4x2.4 cm
  • Largest Crystal Size: 9mm
  • $65.00
  • Rapid Creek

  • Yukon, Canada
  • Some very nice sharp, lightly striated crystals of wardite on a matrix of small siderite crystals. Also some nice tiny, golden eosphorite crystals. Looks great as macro or micro!
WarditeYukon Phosphates, Wardite, Rapid Creek, Yukon Territory
  • Item #17928
  • Wardite
  • 3.4x2.8x1 cm
  • Largest Crystal Size: 13mm
  • $75.00
  • Rapid Creek

  • Yukon, Canada
  • A small plate or cluster of sharp light greenish wardite crystals, associated with tiny childrenite crystals. Very good!
WarditeYukon Phosphates, Wardite, Rapid Creek, Yukon Territory
  • Item #17926
  • Wardite
  • 3.1x2.6x1 cm
  • Largest Crystal Size: 10mm
  • $65.00
  • Rapid Creek

  • Yukon, Canada
  • Sharp, pseudo-octahedral wardite crystals are nicely shown on a matrix covered with tiny childrenite and siderite crystals. No damage whatsoever. Very good example!
WarditeYukon Phosphates, Wardite, Rapid Creek, Yukon Territory
  • Item #17925
  • Wardite
  • 5.5x3x2.2 cm
  • Largest Crystal Size: 8mm
  • $85.00
  • Rapid Creek

  • Yukon, Canada
  • A couple of beautiful, sharp, lustrous crystals of wardite are nicely exposed on a bed of small siderite crystals on this specimen. The wardite crystals have light stria and pseudo-octahedral form.
WarditeYukon Phosphates, Augelite, Rapid Creek, Yukon Territory
  • Item #17924
  • Wardite
  • 3.5x2.6x1.6 cm
  • Largest Crystal Size: 12mm
  • $75.00
  • Rapid Creek

  • Yukon, Canada
  • A very nice, sharp lightly striated crystal of wardite on a matrix of tiny siderite crystals. As well, one side of the wardite crystal is largely covered with tiny eosphorite and pyrite crystals.
LazuliteYukon Phosphates, Augelite, Rapid Creek, Yukon Territory
  • Item #17923
  • Lazulite
  • 3.3x3.0x1.2 cm
  • Largest Crystal Size: 9mm
  • $75.00
  • Rapid Creek

  • Yukon, Canada
  • A couple of really nice lazulite crystals are present on this small plate of corroded siderite crystals. What a great mineral!
Apophyllite, StilbiteTreasures, Odds and Sods, Various Localities
  • Item #17921
  • Apophyllite, Stilbite
  • 18.3x12.5x8.5 cm
  • Largest Crystal Size: 65mm
  • $120.00
  • Pune
    India
  • Wow! A superb specimen of several light green apophyllite crystals on a bed of creamy stilbite crystals. The apophyllite crystals are elongated prismatic forms with perfect pyramidal and pinacoid terminations. Extra postage requires as it is fairly large and heavy. It is worth it! Displays perfectly. Stunning really.
Stilbite, HeulanditeTreasures, Odds and Sods, Various Localities
  • Item #17919
  • Stilbite, Heulandite
  • 11.5x9.6x7 cm
  • Largest Crystal Size: 38mm
  • $50.00
  • Pune
    India
  • A wonderful geode showing a slightly divergent stilbite crystal in a heulandite-lined vug. Kind of heavy so a bit of extra postage will be needed. Very well prepared. Looks great!
HeulanditeTreasures, Odds and Sods, Various Localities
  • Item #17918
  • Heulandite
  • 24x9.3x10 cm
  • Largest Crystal Size: 30mm
  • $75.00
  • Pune
    India
  • A large, attractive group of heulandite crystals on basalt matrix. Classic Pune! The crystals are divergent and a nice orangey-pink colour. Heavy and large so some extra postage required. Some damage to some of the crystals on the right center. Displays very well!