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 22% or multiply by 0.78.

 

Galena, SphaleritePine Point Mine, Pine Point, Northwest Territories
  • Item #18931
  • Galena, Sphalerite
  • 13.2x9.5x4.8 cm
  • Largest Crystal Size: 10mm
  • $140.00
  • Pine Point Mine
  • Pine Point
    Northwest Territories, Canada
  • A superb plate of very lustrous, almost black sphalerite crystals associated with small dolomite crystals on a matrix of dolomite rock. Great-looking specimen!
Galena, SphaleritePine Point Mine, Pine Point, Northwest Territories
  • Item #18928
  • Galena, Sphalerite
  • 9.9x8.5x7.0 cm
  • Largest Crystal Size: Ga 10mm, Sp 12mm
  • $65.00
  • Pine Point Mine
  • Pine Point
    Northwest Territories, Canada
  • A heavy, mound of interestingly complex, distorted galena crystals and sharp, twinned sphalerite crystals. Some bruising on the specimen. Still it is a rich specimen of the main ore minerals of the deposit.
Galena, SphaleritePine Point Mine, Pine Point, Northwest Territories
  • Item #18927
  • Galena, Sphalerite
  • 10.0x8.0x7.2 cm
  • Largest Crystal Size: Ga 9mm, Sp 18mm
  • $85.00
  • Pine Point Mine
  • Pine Point
    Northwest Territories, Canada
  • Very interesting, hoppered and distorted galena crystals surround a rich interior of sharp, twinned, deep-brown sphalerite crystals. Displays very well!
Galena, SphaleritePine Point Mine, Pine Point, Northwest Territories
  • Item #18926
  • Galena, Sphalerite
  • 5.5x5.6x3.9 cm
  • Largest Crystal Size: Ga 7mm, Sp 15mm
  • $65.00
  • Pine Point Mine
  • Pine Point
    Northwest Territories, Canada
  • A mound of sharp, slightly oxidized, uniquely hoppered galena crystals associated with lustrous, twinned, dark-brown sphalerite crystals.
CalcitePine Point Mine, Pine Point, Northwest Territories
  • Item #18925
  • Calcite
  • 5.8x4.1x3.5 cm
  • Largest Crystal Size: 35mm
  • $65.00
  • Pine Point Mine
  • Pine Point
    Northwest Territories, Canada
  • Gorgeous cluster of very sharp, simple rhombohedra from this famous lead-zinc mine.
Galena, Sphalerite, CalcitePine Point Mine, Pine Point, Northwest Territories
  • Item #18924
  • Galena, Sphalerite, Calcite
  • 10.3x5.7x3.8 cm
  • Largest Crystal Size: Ga 10mm, Sp 18mm
  • $75.00
  • Pine Point Mine
  • Pine Point
    Northwest Territories, Canada
  • Really nice plate of these minerals with crystals on both sides! A little bruising but displays well.
CalcitePine Point Mine, Pine Point, Northwest Territories
  • Item #18922
  • Calcite
  • 9.8x8.8x5.0 cm
  • Largest Crystal Size: 20mm
  • $75.00
  • Pine Point Mine
  • Pine Point
    Northwest Territories, Canada
  • A wonderful cluster of very flattened rhombohedra mostly cover this mound of creamy white dolomite crystals. Displays perfectly!
Sphalerite, DolomitePine Point Mine, Pine Point, Northwest Territories
  • Item #18921
  • Sphalerite, Dolomite
  • 5.7x4.9x3.0 cm
  • Largest Crystal Size: 17mm
  • $40.00
  • Pine Point Mine
  • Pine Point
    Northwest Territories, Canada
  • A larger, lustrous, deep brown sphalerite crystal on dolomite crystals matrix. Nice specimen of the main ore mineral of the deposit.
Galena, DolomitePine Point Mine, Pine Point, Northwest Territories
  • Item #18920
  • Galena, Dolomite
  • 6.8x4.9x2.9 cm
  • Largest Crystal Size: 12mm
  • $45.00
  • Pine Point Mine
  • Pine Point
    Northwest Territories, Canada
  • A mound of very sharp galena crystals on curved, white dolomite crystals. The galenas are predominately cubes with small octahedral modifications. Also a couple of resinous brown, lustrous sphalerite crystals with lots of honey-brown sphalerite in the matrix!
CalciteSouth Ontario Limestone Quarries, Various Minerals
  • Item #18900
  • Calcite
  • 14.4x10.2x7.9 cm
  • Largest Crystal Size: 23mm
  • $40.00
  • Lafarge Quarry
  • Wentworth co.
    Ontario, Canada
  • The vug in this dark limestone matrix is lined with calcite crystals, some of which are larger and a more deep golden colour than the smaller ones. Nice looking!
BruciteCanadian Specimens, Various Localities
  • Item #18898
  • Brucite
  • 3.1x3.8x2.2 cm
  • Largest Crystal Size: As above
  • $35.00
  • Farm Point

  • Quebec, Canada
  • A vein section of fibrous, pale bluish brucite from this old locality.
CalciteCalcite   Various Localities
  • Item #18895
  • Calcite
  • 5.1x5.2x4.8 cm
  • Largest Crystal Size: As above
  • $45.00
  • Long Lake Zinc Mine
  • Frontenac co.
    Ontario, Canada
  • A really nice, twinned calcite crystal, with a couple of smaller crystals attached to the bottom. The whole specimen has a dusting of tiny marcasite crystals, which is typical for this long closed locality.
EuxeniteUranium/Radioactive Minerals
  • Item #18894
  • Euxenite
  • 2.9x1.5x1.1 cm
  • Largest Crystal Size: As above
  • $75.00
  • Ankazobe
    Madagascar
  • A very sharp, lightly altered euxenite crystal with excellent termination. Will need surface mail, not air mail so it will longer to be delivered to you. Really nice crystal!
Calcite, MarcasiteCalcite   Various Localities
  • Item #18892
  • Calcite, Marcasite
  • 5.8x5.2x5.5 cm
  • Largest Crystal Size: 46mm
  • $45.00
  • Long Lake Zinc Mine
  • Frontenac Co.
    Ontario, Canada
  • An excellent, twinned, well formed caclite crystal on several other part crystals. The main crystal is encrusted with a light coating of tiny marcasite crystals. Really nice!
SamarskiteUranium/Radioactive Minerals
  • Item #18890
  • Samarskite
  • 5.5x4.6x3.0 cm
  • Largest Crystal Size: 22mm
  • $140.00
  • Iveland
    Norway
  • A couple of sharp samarskite crystals are well exposed in feldspar and biotite matrix. Will require surface mail for delivery. Ask me for details. Classic!
RutileGrenville Minerals, Various Localities, Page Two
  • Item #18884
  • Rutile
  • 7.1x4.8x3.2 cm
  • Largest Crystal Size: 29mm
  • $75.00
  • Templeton Township
    Quebec, Canada
  • A specimen of rutile in calcite from this classic old Grenville locality. This place is famous for very elongated rutile crystals in calcite!
RutileGrenville Minerals, Various Localities
  • Item #18883
  • Rutile
  • 12.6x6.0x2.9 cm
  • Largest Crystal Size: 42mm
  • $65.00
  • Templeton township
    Quebec, Canada
  • This is an old classic, Grenville locality with a vague name. Old collections have these "Templeton Township" specimens of rutile in calcite associated with aegirine crystals. Long, somewhat curved, elongated crystals/ Excellent!
SenarmontiteSenarmontite, Djebel-Haminate Mine, Ain Beida, Constantine Province, Algeria
  • Item #18882
  • Senarmontite
  • 10.5x5.9x1.8 cm
  • Largest Crystal Size: 4mm
  • $120.00
  • Djebel Hamimat Mine
  • Guelma
    Algeria
  • Matrix specimen with very nice, translucent-gray senarmontite crystals from this famous locality. THE locality, really!
ChlorargyriteTreasures, Odds and Sods, Various Localities
  • Item #18881
  • Chlorargyrite
  • 9.2x4.8x4.0 cm
  • Largest Crystal Size: 3mm
  • $110.00
  • Broken Hill Mine
  • Broken Hill
    NSW, Australia
  • Very nice crystals of this unusual(for this part of the world!) silver iodide mineral in gossan matrix.
GadoliniteTreasures, Odds and Sods, Various Localities, Page Three
  • Item #18880
  • Gadolinite
  • 2.0x2.1x0.7 cm
  • Largest Crystal Size: As above
  • $85.00
  • Euje
    Norway
  • Very nice crystal of gadolinite from one of the old classic localities.
Molybdenite, BerylSulphides, Arsenides, etc. Miscellaneous
  • Item #18878
  • Molybdenite, Beryl
  • 5.8x4.5x2.5 cm
  • Largest Crystal Size: 16mm
  • $35.00
  • Lacorne

  • Quebec, Canada
  • Here is one you don't see very often: molybdenite embedded in beryl from the pegmatite at Lacorne, Que!
CrytoliteZircon, Various Localities, Canada
  • Item #18876
  • Crytolite
  • 4.9x5.3x3.4 cm
  • Largest Crystal Size: As above
  • $75.00
  • MacDonald Mine
  • Bancroft
    Ontario, Canada
  • We don't come across zircon crystals from this old mining operation very often. Here is a nice example of cyrtolite, the rare-earth-rich variety of zircon. Mostly zircon!
FluorapatiteGrenville Minerals, Various Localities
  • Item #18871
  • Fluorapatite
  • 18.5x14.0x5.5 cm
  • Largest Crystal Size: 108m
  • $250.00
  • Yates Mine
  • Otter Lake
    Quebec, Canada
  • THIS is a nice, attractive specimen of two minerals that are renowned from the Yates mine fluorapatite in orange-pink calcite. A couple of pyroxene group crystal sections, as well. Iconic mineral specimen of the Grenville!
Orthoclase, FerrifluorokatophoriteGrenville -Bear Lake Diggings, nr. Gooderham, Ontario
  • Item #18870
  • Orthoclase, Ferrifluorokatophorite
  • 9.5x8.4x4.5 cm
  • Largest Crystal Size: 46mm
  • $70.00
  • Bear Lake Diggings
  • Monmouth Township
    Ontario, Canada
  • A handsome specimen of these two associates from the now-closed, Bear Lake Diggings. The orthoclase crystals show very good form and nice patina while the katophorite shows nice luster and crystal shape!
TitaniteGrenville -Bear Lake Diggings, nr. Gooderham, Ontario
  • Item #18869
  • Titanite
  • 3.3x2.8x1.5 cm
  • Largest Crystal Size: 28mm
  • $45.00
  • Bear Lake Diggings
  • Monmouth Township
    Ontario, Canada
  • Nice crystal of deep brown titanite! Sharp faces, nice luster. Classic Grenville!
Titanite, Ferri-fluorokatophoriteGrenville -Bear Lake Diggings, nr. Gooderham, Ontario
  • Item #18868
  • Titanite, Ferri-fluorokatophorite
  • 7.3x5.1x3.5 cm
  • Largest Crystal Size: 32mm
  • $75.00
  • Bear Lake Diggings
  • Monmouth Township
    Ontario, Canada
  • Very nice specimens showing a sharp titanite crystal perched atop a black, altered, prismatic katophorite crystal. From the classic, now-closed locality!
Titanite, OrthoclaseGrenville -Bear Lake Diggings, nr. Gooderham, Ontario
  • Item #18866
  • Titanite, Orthoclase
  • 9.8x5.9x3.1 cm
  • Largest Crystal Size: 39mm
  • $110.00
  • Bear Lake Diggings
  • Monmouth Township
    Ontario, Canada
  • A sweet specimen showing a sharp, lustrous deep-brown titanite crystal on matrix. A tiny nick. An excellent example!
Andorite, ZinkeniteBolivian Minerals, Various
  • Item #18860
  • Andorite, Zinkenite
  • 4.9x3.3x2.0 cm
  • Largest Crystal Size: 35mm
  • $140.00
  • San Jose Mine
  • Oruro City, Cercado
    Oruro, Bolivia
  • A couple of larger andorite crystals associated with a little zinkenite. Very nice specimen of this relatively rare silver mineral.
TetrahedritePeru, Casapalca Mine
  • Item #18857
  • Tetrahedrite
  • 9.8x7.5x2.0 cm
  • Largest Crystal Size: 10mm
  • $140.00
  • Casapalca Mine
  • Huarochiri, Lima
    Peru
  • A nice plate of tetrahedrite crystals, associated with pyrite and a single barite crystal. Sharp crystals! Classic locality for this mineral!
Andorite, ZinkeniteBolivian minerals -Stannite, Andorite
  • Item #18856
  • Andorite, Zinkenite
  • 3.8x2.4x0.7 cm
  • Largest Crystal Size: As above
  • $120.00
  • San Jose Mine
  • Oruro City, Cercado
    Oruro, Bolivia
  • This cluster of zinkenite crystals also has a couple of nice andorite crystals attached to the zinkenite. Classic combination from Oruro!
AndoriteBolivian minerals -Stannite, Andorite
  • Item #18855
  • Andorite
  • 2.2x1.8x0.4 cm
  • Largest Crystal Size: As above
  • $75.00
  • San Jose Mine
  • Oruro City, Cercado
    Oruro, Bolivia
  • A nice crystal of andorite, a rare sulphosalt of silver. The crystal is well formed and has some zinkenite crystal sections attached to it. Nice!
Copper, ps AragoniteBolivian Minerals, Various
  • Item #18853
  • Copper, ps Aragonite
  • 2.7x2.2x2.1 cm
  • Largest Crystal Size: As above
  • $35.00
  • Coro Coro
  • Pascajes, La Paz
    Bolivia
  • This pseudomorph of copper after aragonite shows hexagonal outlines of the previous twinned aragonite crystals.
Tetrahedrite, QuartzPeru, Casapalca Mine
  • Item #18851
  • Tetrahedrite, Quartz
  • 9.1x8.1x2.8 cm
  • Largest Crystal Size: 40mm
  • $140.00
  • Casapalca Mine
  • Huarochiri, Lima
    Peru
  • This plate shows a cluster of smaller tetrahedrite crystals dominated by a single larger crystal with white quartz crystals on the other side. The large tetrahedrite crystal has a thin veneer of chalcopyrite on it which makes for an attractive and interesting contrast. Nice piece!
Andorite, PyriteBolivian Minerals, Various
  • Item #18850
  • Andorite, Pyrite
  • 9.8x6.4x4.3 cm
  • Largest Crystal Size: 16mm
  • $140.00
  • San Jose Mine
  • Oruro City, Cercado, Oruro
    Bolivia
  • A really nice specimen of andorite showing a sharp crystal on matrix along with tiny crystals of pyrite. Don't come along like this very often!
Copper, ps. AragoniteBolivian Minerals, Various
  • Item #18846
  • Copper, ps. Aragonite
  • 1.4x1.2x1.2 cm
  • Largest Crystal Size: As above
  • $65.00
  • Coro Coro
  • Pascajes, La Paz
    Bolivia
  • Sharp pseudomorph of copper after pseudo-hexagonal aragonite crystals.
PyromorphitePyromorphite, Society Girl Mine, Moyie, British Columbia
  • Item #18839
  • Pyromorphite
  • 2.0x1.6x1.4 cm
  • Largest Crystal Size: 2.5mm
  • $40.00
  • Society Girl Mine
  • Moyie
    British Columbia, Canada
  • Nice cluster of small, sharp, bright green pyromorphite crystals on matrix.
PyromorphitePyromorphite, Society Girl Mine, Moyie, British Columbia
  • Item #18837
  • Pyromorphite
  • 1.6x1.7x1.1 cm
  • Largest Crystal Size: 11mm
  • $35.00
  • Society Girl Mine
  • Moyie
    British Columbia, Canada
  • An interesting cluster of pyromorphite crystals, where the larger crystals have tiny, spiny pyromorphite crystals growing off of the sides.
PyromorphitePyromorphite, Society Girl Mine, Moyie, British Columbia
  • Item #18834
  • Pyromorphite
  • 1.7x1.3x0.8 cm
  • Largest Crystal Size: 7mm
  • $35.00
  • Society Girl Mine
  • Moyie
    British Columbia, Canada
  • A nice branching group of slender pyromorphite crystals from this great old locality.
PyromorphitePyromorphite, Society Girl Mine, Moyie, British Columbia
  • Item #18832
  • Pyromorphite
  • 2.2x1.5x1.5 cm
  • Largest Crystal Size: 3mm
  • $40.00
  • Society Girl Mine
  • Moyie
    New Brunswick, Canada
  • Very attractive cluster of well formed pyromorphite crystals. We don't often see nice sharp crystals like this from the Society Girl Mine anymore.
PyromorphitePyromorphite, Society Girl Mine, Moyie, British Columbia
  • Item #18830
  • Pyromorphite
  • 3.9x3.1x2.0 cm
  • Largest Crystal Size: 3mm
  • $35.00
  • Society Girl Mine
  • Moyie
    British Columbia, Canada
  • This piece of matrix shows a cavity that is lined with sharp, green, prismatic, pyromorphite crystals.
PyromorphitePyromorphite, Society Girl Mine, Moyie, British Columbia
  • Item #18826
  • Pyromorphite
  • 1.4x0.9x0.9 cm
  • Largest Crystal Size: as above
  • $30.00
  • Society Girl Mine
  • Moyie
    British Columbia, Canada
  • A very nice crystal that is composed of semi-parallel segments. Pyromorphite often crystallizes in this manner.
PyromorphitePyromorphite, Society Girl Mine, Moyie, British Columbia
  • Item #18825
  • Pyromorphite
  • 1.4x1.2x0.6 cm
  • Largest Crystal Size: 13mm
  • $30.00
  • Society Girl Mine
  • Moyie
    British Columbia, Canada
  • Two elongated crystals form this little pair.
Dolomite, QuartzRabbit Lake Mine, Athabasca Basin, Saskatchewan
  • Item #18822
  • Dolomite, Quartz
  • 5.8x4.9x3.6 cm
  • Largest Crystal Size: d-9mm, q-3mm
  • $65.00
  • Rabbit Lake Mine
  • Athabasca Basin
    Saskatchewan, Canada
  • Sharp, slightly iron-tinted dolomite crystals on a drusy quartz matrix. The quartz has inclusions of hematite as tiny crystals and botryoids. There is one 1.5mm bladed crystal, presumable of hematite on one of the dolomite xls. Interesting and attractive piece.
Dolomite, Quartz, CalciteRabbit Lake Mine, Athabasca Basin, Saskatchewan
  • Item #18820
  • Dolomite, Quartz, Calcite
  • 5.6x3.5x2.8 cm
  • Largest Crystal Size: d-8mm, c-1mm, q-6mm
  • $65.00
  • Rabbit Lake Mine
  • Athabasca Basin
    Saskatchewan, Canada
  • This specimen shows oddly zoned dolomite crystals sprinkled with tiny, white calcite crystals on gemmy, prismatic quartz crystals. The dolomite crystals have a sort of variegated white and hematite tinted interior and yellowish zones on the corners. Interesting piece!
DolomiteRabbit Lake Mine, Athabasca Basin, Saskatchewan
  • Item #18819
  • Dolomite
  • 2.4x2.0zx1.7 cm
  • Largest Crystal Size: as above
  • $35.00
  • Rabbit Lake Mine
  • Athabasca Basin
    Saskatchewan, Canada
  • This thumbnail specimen is a razor-sharp dolomite crystal with a smaller crystal attached top the top, along with a small quartz crystal. Slight iron tint.
DolomiteRabbit Lake Mine, Athabasca Basin, Saskatchewan
  • Item #18817
  • Dolomite
  • 8.5x3.5x3.2 cm
  • Largest Crystal Size: 15mm
  • $45.00
  • Rabbit Lake Mine
  • Athabasca Basin
    Saskatchewan, Canada
  • An elongate cluster of dolomite crystals, some a little bruised from this remote northern operation.
PyriteSulphides, Arsenides, etc. Miscellaneous
  • Item #18816
  • Pyrite
  • 3.9x3.3x2.7 cm
  • Largest Crystal Size: 9mm
  • $45.00
  • Mariner Mine
  • Likely
    British Columbia, Canada
  • A beautiful pyrite crystal with slightly curved faces is perfectly exposed in argillite matrix. The crystal is predominately a cube with strong pyritohedral faces. Nice specimen from an unusual locality!
DolomiteRabbit Lake Mine, Athabasca Basin, Saskatchewan
  • Item #18813
  • Dolomite
  • 5.1x2.6x2.4 cm
  • Largest Crystal Size: 12mm
  • $45.00
  • Rabbit Lake Mine
  • Athabasca Basin
    Saskatchewan, Canada
  • A semi-parallel grouping of dolomite crystals with a little hematite tinting. Nice example!
QuartzRabbit Lake Mine, Athabasca Basin, Saskatchewan
  • Item #18810
  • Quartz
  • 4.1x3.2x1.8 cm
  • Largest Crystal Size: 11mm
  • $30.00
  • Rabbit Lake Mine
  • Athabasca Basin
    Saskatchewan, Canada
  • A nice little plate of water-clear, well terminated, quartz crystals, well mounted on an acrylic base.
GoldGold, Various Localities
  • Item #18783
  • Gold
  • 5.8x5.3x4.5 cm
  • Largest Crystal Size: 2mm
  • $7,200.00
  • Grass Valley

  • California, USA
  • This is an interesting one. It is a gold "ice cream sandwich with the gold composed of a myriad of small gold crystals all enmeshed together. Some of the quartz has been removed to better expose the texture of the gold. Just over 4.1 troy ounces of gold. The price is a little over US1300.00 per troy ounce. This is a consignment piece and the owner says "sell it". Dense and spectacular!