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D720 - Copper $ 475 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.
CT667 - Thompsonite with Mesolite $ 160 Drain, Douglas Co., Oregon, USA small cabinet - 8 x 6 x 4 cm ![]() ![]() ![]() ![]() Tan Thompsonite lining a vug in basalt with fine needles of Mesolite on top. Ex. Chuck Trantham personal collection. His old handwritten card indicated it was collected by Chuck and Al McGuinness in August 1965.
CT685 - Quartz var. Grape Agate $ 350 Mamuju, Sulawesi, Indonesia large cabinet - 20 x 10 x 8 cm ![]() ![]() ![]() ![]() Large cluster of interconnected spheres of purple Quartz known as Grape Agate. I understand these are considered to be Amethyst. For my taste, the best Grape Agates need to have both deep purple color and sparkling luster, such as this large example.
CT656 - Heulandite with Mordenite $ 150 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 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 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.
CT670 - Calcite on Natrolite $ 180 Springfield Butte, Lane Co., Oregon, USA small cabinet - 7 x 4 x 3 cm ![]() ![]() ![]() ![]() ![]() Elongated scalenohedral Calcite crystals atop white needles of Natrolite. Ex. Chuck Trantham collection and a beautiful example of a northwest USA zeolite, one of Chuck's specialties due to his geological work in the area. This was self collected by Chuck in 1962. Though he collected hundreds of specimens, this one was considered fine enough by Chuck to be saved in in his personal collection and comes with his hand written label.
CT671 - Apophyllite $ 90 Fall Creek Quarry, Lane Co., Oregon, USA small cabinet - 8 x 7.5 x 3 cm ![]() ![]() ![]() Lustrous, transparent Apophyllite crystals atop white Quartz. Good crystals on both sides. Ex. Chuck Trantham collection and a beautiful example of a northwest USA zeolite, one of Chuck's specialties due to his geological work in the area. This was self collected by Chuck in 1966. Though he collected hundreds of specimens, this one was considered fine enough by Chuck to be saved in in his personal collection and comes with his hand written label.
CT650 - Liddicoatite $ 1800 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. Cur 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 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 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.
CT687 - Erythrite $ 90 Bou Azzer, Morocco thumbnail - 2.5 x 1.3 x 1 cm ![]() ![]() ![]() ![]() Thumbnails sized Erythrite spceimn with a good isolated crystal on matrix.
CT682 - Tetrhedrite $ 1200 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.
CT669 - Sapphire $ 180 Blue Jay Mine, Revelstoke, British Columbia, Canada miniature - 3.9 x 2.8 x 2 cm ![]() ![]() ![]() ![]() ![]() Cluster of deep blue, translucent Sapphire crystals from recent finds in Canada.
CT664 - Smithsonite after Dolomite $ 125 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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