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CT346 - Quartz with Calcite $ 150 Bog Mine, American Fork Mining District, Wasatch Mountains, Utah Co., Utah, USA small cabinet - 6 x 5 x 3 cm ![]() ![]() ![]() ![]() ![]() Skeletal Quartz crystals and scalenohedral yellow Calcite crystals from an obscure former mine in the Wasatch Mountains. The Quartz cluster is complete and undamaged. Rare old specimen from the Chuck Trantham collection.
CT336 - Azurite, Malachte after Azurite $ 300 Tsumeb, Namibia small cabinet - 6.5 x 4 x 3.5 cm ![]() ![]() ![]() ![]() Sharp crystals of blue Azurite intermixed with green crystals of Malachite after Azurite pseudomorphs on a light matrix with additional yellow/green mineralization. Undamaged crystals with pseudomorphs that reach 2.2cm, some of which are double-terminated.
CT512 - Achtaragdite $ 120 Akhtaragda River mouth, Vilyui River Basin, Mirninsky District, Sakha Republic (Yakutia), Russia thumbnail - 1.5 x 1.3 x 1.2 cm ![]() ![]() ![]() ![]() Achtaragdite is a rare pseudomorph of a hydrogrossular-chlorite-carbonate mineral after what is believed to be Helvite. This is a little understood psuedo likely found many decades ago at the type locality for Grossular garnet in Siberia. It is a fine example with a well formed tetrahedron of the form of the former Helvite crystal.
CT462 - Vaugnatite $ 150 Copper King Mine, Red Mountain, Mendocino Co., California, USA small cabinet - 7.2 x 2.5 x 2 cm ![]() ![]() ![]() Glassy, colorless/white orthorhombic crystals of vuagnatite, a rare silicate mineral, on matrix. Collected by Chuck Trantham in 1982 and valued at that time at $100.
CT406 - Vaugnatite $ 200 Copper King Mine, Red Mountain, Mendocino Co., California, USA small cabinet - 6 x 5 x 2.5 cm ![]() ![]() ![]() Glassy, colorless/white orthorhombic crystals of vuagnatite, a rare silicate mineral, on matrix. Collected by Chuck Trantham in 1982. His old label shows a price of $200.
CT505 - Hemimorphite $ 225 79 Mine, Gila Co., Arizona, USA small cabinet - 5.3 x 4.7 x 3 cm ![]() ![]() ![]() ![]() Vug completely filled by radial masses of light blue Hemimorphite crystals. Ex. Chuck Trantham collection. Undamaged.
CT511 - Cobaltian Calcite with Kolwezite $ 300 Katanga, Congo (DRC) miniature - 4.8 x 4.5 x 2 cm ![]() ![]() ![]() ![]() Scalenohedral pink Cobaltian Calcite crystals covering the front face associated with rounded masses of Kolwezite. Ex. Cliff Krueger, Chuck Trantham collections.
CT510 - Heulandite on Quartz $ 220 Prospect Park, New Jersey, USA miniature - 4 x 2.8 x 2.5 cm ![]() ![]() ![]() ![]() Large, fine quality Heulandite crystal atop drusy Quartz crystals. Ex. Chuck Trantham collection. Old label indicates it was purchased by Chuck from Frazier's minerals in 1991 and was formerly in the collection of Paul Patchick (#1102). Complete and undamaged.
CT541 - Neptunite with Joaquinite $ 1600 Gem Mine, San Benito Co., California, USA small cabinet - 6.5 x 5 x 2 cm ![]() ![]() ![]() ![]() ![]() Thick, lustrous black Neptunite crystals on a flat matrix of Natrolite over schist. This is an old Steve Perry specimen that I purchased from Steve about 20 years ago and have kept in my collection ever since. All the crystals are terminated and undamaged, the main crystal is 2.5cm long. There are small brown Joaquinite crystals on the Natrolite.
CT454 - Manganite $ 275 Ilfeld, Harz Mountains, Germany small cabinet - 5.5 x 3.5 x 2.5 cm ![]() ![]() ![]() Shiny black crystals of Manganite from the classic German locality. Ex. Chuck Trantham collection, and in the Robert Philips collection before Chuck.
CT465 - Cobaltian Calcite $ 350 Mashamba West Mine, Katanga, Congo small cabinet - 6.5 x 5 x 2.5 cm ![]() ![]() ![]() Well saturated purple pink crystals of Cobaltian Calcitewith crystals to 1cm in size. Undamaged and sawcut on back. Old material from the Chuck Trantham collection.
CT575 - Brewsterite with Harmotome $ 125 Whitesmith Mine, Strontian, Argyllshire, Scotland thumbnail - 2.2 x 2 x 1.5 cm ![]() ![]() ![]() ![]() Specimen of Brewsterite, a rare strontian member of the zeolite family, with Harmotome. Open vug filled with transparent to translucent sparkling crystals. From the type locality in Scotland. Old material from the Chuck Trantham collection.
CT527 - Quartz with Inclusions $ 175 North Trinity Mountains, Lovelock, Pershing Co., Nevada, USA thumbnail - 2 x 1.1 x 1 cm ![]() ![]() ![]() ![]() Single clear Quartz crystal heavily included by silvery crystals of a mixture of galena, pyrite, chalcopyrite, and tetrahedrite (Ag-rich 'Freibergite'). Ex. Chuck Trantham collection. Acquired by Chuck in 1980 from Al McGuinness
CT172 - Dioptase with Wulfenite $ 180 Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA thumbnail - 3 x 2.5 x 2 cm ![]() ![]() ![]() Clusters of vibrant emerald green Dioptase crystals aand orange Wulfenite crystals on a Chrysocolla coated matrix. Additionally, there are small clear Quartz crystals present.
CT230 - Dioptase $ 120 Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA thumbnail - 2 x 2 x 1.5 cm ![]() ![]() ![]() ![]() Clusters of vibrant emerald green Dioptase crystals on matrix. The Dioptase occurs in clusters to 5mm wide in various vugs.
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