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CT322 - Rutile $ 350 (=~ CAN$ 450) Champion Mine, Mono Co., California, USA thumbnail - 2 x 1.5 x 1.4 cm ![]() ![]() ![]() ![]() Fabulous V-twin crystal of Rutile from the Champion Mine. This is the best V-twin I can recall ever seeing from this locality. There are 6 pages of photos of Rutile fromt his locality on Mindat, and none show better twin formation than this. Complete all around with an area of contact on the back, with high luster. Ex. Chuck Trantham personal collection.
CT634 - Cassiterite $ 125 (=~ CAN$ 161) Viloco Mine, Bolivia thumbnail - 3 x 2.7 x 1.6 cm ![]() ![]() ![]() Large single Cassiterite crystal showing areas of transparency. Ex. Chuck Trantham collection.
K844 - Prehnite $ 300 (=~ CAN$ 386) Merelani Hills, Arusha, Tanzania miniature - 4 x 3.5 x 2 cm ![]() ![]() ![]() ![]() Gorgeous clean and translucent to transparent Prehnite rosette. There is a contact at the base otherwise it's undamaged with a smooth, flat backside where is was likely plucked off a Calcite crystal.
D555 - Tsavorite $ 120 (=~ CAN$ 154) Merelani Hills, Arusha, Tanzania thumbnail - 1.4 x 1 x 0.7 cm ![]() ![]() ![]() ![]() Gemmy single Tsavorite (Grossular) crystal with Graphite. Excellent color and undamaged.
D580 - Tsavorite, Graphite, Calcite, Diopside, Pyrite $ 300 (=~ CAN$ 386) Merelani Hills, Arusha, Tanzania miniature - 3.5 x 3.3 x 2.4 cm ![]() ![]() ![]() ![]() ![]() Classic Merelani combination of elongated Tsavorite (Grossular) crystals, white Calcite, Diopside, Pyrite and well formed Graphite crystals. Excellent display and study piece for the locality.
D489 - Torbernite $ 120 (=~ CAN$ 154) Unknown miniature - 4.5 x 4 x 2.5 cm ![]() ![]() ![]() Platy green crystals of Torbernite on matrix. Ex. Chuck Trantham collection without any labels.
D720 - Copper $ 475 (=~ CAN$ 610) Hekla Mine, Houghton Co., Michigan, USA small cabinet - 7.5 x 6.5 x 3.6 cm ![]() ![]() ![]() ![]() ![]() Well crystallized Copper specimen with a grouping of good crystals rising up off larger, thick crystals at the base.
CT656 - Heulandite with Mordenite $ 150 (=~ CAN$ 193) Amudika River, near Mirny, Yakutia, Siberia, Russia miniature - 4.2 x 3 x 2.2 cm ![]() ![]() ![]() Bi-colored Heulandite crystal with Mordenite. A fine quality double-terminated Heulandite 2cm wide. Hard to find old specimen from Chuck Trantham personal collection.
CT658 - Heulandite with Mordenite, Calcite $ 150 (=~ CAN$ 193) Amudika River, near Mirny, Yakutia, Siberia, Russia miniature - 3.5 x 3 x 2 cm ![]() ![]() ![]() ![]() Bi-colored Heulandite crystal with Mordenite and Calcite crystals. A fine quality double-terminated Heulandite 2.2cm wide. Hard to find old specimen from Chuck Trantham personal collection.
B958 - Gold $ 1500 (=~ CAN$ 1927) Homestake Mine, Lead, Lawrence Co., South Dakota, USA miniature - 4.8 x 2.5 x 1.8 cm ![]() ![]() ![]() ![]() ![]() ![]() Discovered in 1875, the Homestake Mine was a deep underground gold mine that operated until 2002. For a period, it was the largest and deepest gold mine in North America. The mine produced more than forty million troy ounces of gold during its lifetime. Despite this, Gold specimens from this mine are scarce. This specimen features multiple areas of exposed Gold in a Quartz matrix along with what are likely Arsenopyrite crystals (two old labels, one from the Hauck collection and one from Kristalle, indicate the other mineral is Sylvanite). The Gold extends all the way through the Quartz in areas. Uncommon, hard to find USA Gold specimen.
CT650 - Liddicoatite $ 1800 (=~ CAN$ 2313) Anjanabonoina, Madagascar cabinet - 12.2 x 9 x 0.4 cm ![]() ![]() ![]() Cut and polished slice of Liddicoatite (a species of Tourmaline) from old finds in Madagascar. Cut parallel to the C-axis, the slice reveals the colorful interior of what would have appeared to otherwise be a dark crystal. Triangular color zoning of greens, blues, and purple. Well polished on both sides, weighs 87.09 grams.
CT657 - Thomasite $ 120 (=~ CAN$ 154) Amudika River, near Mirny, Yakutia, Siberia, Russia thumbnail - 2.5 x 2 x 1.7 cm ![]() ![]() ![]() ![]() Cluster of pink Thomasite from an obscure Russian locality. Ex. Chuck Trantham collection acquired by Chuck in 1992.
CT659 - Thomasite $ 120 (=~ CAN$ 154) Amudika River, near Mirny, Yakutia, Siberia, Russia miniature - 3.2 x 2.2 x 1.8 cm ![]() ![]() ![]() ![]() Cluster of pink Thomasite from an obscure Russian locality. Ex. Chuck Trantham collection acquired by Chuck in 1992.
CT682 - Tetrahedrite $ 1200 (=~ CAN$ 1542) Peru miniature - 4.5 x 3.5 x 3 cm ![]() ![]() ![]() ![]() ![]() Large single Tetrahedrite, 3.5cm with some smaller attached crystals. Excellent size and undamaged with a slight coating of Chalcopyrite in areas. Ex. Chuck Trantham collection.
CT664 - Smithsonite after Dolomite $ 125 (=~ CAN$ 161) Philadelpia Mine, Rush, Marion Co., Arkansas, USA miniature - 3.5 x 2.5 x 1.5 cm ![]() ![]() ![]() ![]() ![]() Bright yellow crystals of Smithsonite replacing Dolomite, with the curving form of the former Dolomite crystal clearly evident. The bright color is caused by inclusions of Greenockite. Ex. Chuck Trantham collection acquired by Chuck in 1992.
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