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Thumbnails October 3, 2026 · 15 specimens |
AU563 - Metacinnabar $125 available
Mt. Diablo Mine, Clayton, Contra Costa Co., California, USA
Thumbnail - 2.5 x 1.5 x 1.3 cm
Rich coverage of of grey Metacinnabar crystals on matrix. This is an old Mercury mine located at the base of Mt. Diablo (and happens to be the nearest mineral locality to my hometown).
ST226 - Lazulite $125 available
Graves Mtn., Georgia, USA
Thumbnail - 2 x 1.5 x 1 cm
Sharp single crystal with good blue color and attached micro Pyrite.
TL264 - Vayrynenite sold
Shengus, Skardu Dist., Pakistan
1.3 x 0.3 x 0.15 cm
Well formed single crystal of the rare phosphate Vayrynenite. This is a sharp, unetched crystal with a good termination and good color and transparency. Crystal is complete and undamaged.
TL265 - Vesuvianite $200 available
Francon Quarry, Quebec, Canada
1.7 x 1.5 x 1.2 cm
Gemmy single Vesuvianite crystal on matrix. The crystal has a steep, sharp termination.
TL266 - Demantoid Garnet sold
Soghan, Kerman Province, Iran
1.2 x 1 x 0.9 cm
Complete single crystal deep green Demantoid. There is a bit of contact/edge wear but otherwise a sharp, complete translucent crystal with excellent color.
TL267 - Cerussite $150 available
Hull Mine, Yuma Co., Arizona, USA
2 x 1.5 x 1.2 cm
Sharp and lustrous Cerussite crystal perched on matrix. The Cerussite is 1.7cm wide and well crystallized all around and undamaged. Front and back shown.
TL268 - Botryogen $200 available
Alfredo pit, Rio Tinto Mines, Huelva, Andalusia, Spain
2.5 x 1.8 x 1.5 cm
Translucent to transparent orange Botryogen crystals. The specimen is essentially a solid mass of crystals.
TL269 - Morganite $350 available
Aracuai, Minas Gerais, Brazil
2.7 x 2 x 1.7 cm
Tall hexagonal prism of Morganite from Brazil, a less commonly seen form for Morganite. Complete all around, transparent, and undamaged.
TL270 - Dumortierite in Quartz $150 available
Vaca Morta quarry, Bahia, Brazil
1.9 x 0.9 x 0.7 cm
Water clear single Quartz crystal with inclusions of blue Dumortierite crystals. The Quartz has been polished.
TL271 - Calcite twin $80 available
Ocotillo, Imperial County, California, USA
1.3 x 1.2 x 0.7 cm
Single twinned Calcite crystal. Uncommon butterfly-twin from California.
TL272 - Grossular $50 available
Bishop, Inyo Co., California, USA
1 x 0.8 x 0.8 cm
Mostly complete single Grossular from Bishop, California. Glassy faces with areas of transparency, excellent for a California Grossular.
TL273 - Andradite var. Melanite $160 available
Kayes Region, Mali
2.5 x 1.5 x 1.3 cm
Black Melanite crystals on matrix. The crystals reach 11mm in size and and stick out well off the matrix.
TL274 - Sanidine $240 available
Itrongay, Betroka, Anosy Region, Madagascar
1.7 x 0.6 x 0.5 cm
Transparent yellow single Sanidine crystal. Feldspar is a mineral not ususally known for fine collector gem crystals, but at this locality in Madagascar, amazing water clear crystals are sometimes found. This is a thick crystal in great condition with good crystal faces all around. The crystal has a good yellow coloration, is internally transparent, and could cut a nice gemstone.
TL277 - Rutile $150 available
Champion Mine, White Mountains, Mono Co., California, USA
2.3 x 1.5 x 1 cm
A sharp, lustrous 1cm Rutile crystal in Pyrophyllite. Collected long ago from the now closed Champion Mine in the remote White Mountains of California. The main crystal is well crystallized all around, undamaged, dark with hints of red coloration.
TL278 - Benitoite sold
Gem Mine, San Benito Co., California, USA
1.7 x 1.2 x 1 cm
Deep blue Benitoite crystals on matrix. The crystals reach 8mm in size, and while not complete, have excellent color.