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SV262 - Amethyst pseudo. Calcite $ 120 Alacam Mine, Dursunbey, Marmara Region, Turkey miniature - 4.2 x 3 x 3 cm ![]() ![]() ![]() ![]() Amethyst casts after rhombic Calcite crystals. The former Calcite crystals have dissolved away leaving angular, hollow casts of sparkling purple Quartz.
SV252 - Franckeite, Zinkenite $ 125 Itos Mine, Oruro, Bolivia miniature - 3.5 x 3 x 2 cm ![]() ![]() ![]() ![]() ![]() Intergrown spherical clusters of metallic Franckeite with silvery needles of Zinkenite. Franckeite is a rare lead, tin, antimony sulfosalt that is closely related to cylindrite. It was first described in 1893 and named after mining engineers and brothers Carl and Ernest Francke.
SV309 - Vivianite $ 1500 Ichocollo Mine, Monserrat-Antequera mining district, Poopó Province, Oruro, Bolivia small cabinet - 6.6 x 2.3 x 1.2 cm ![]() ![]() ![]() ![]() Transparent single green Vivianite crystal from an obscure Vivianite locality in Bolivia. A complete, well terminated crystal with good transparency and no damage. This was formerly in the Don Boydston collection (Los Angeles) and dates back several decades at least. Comes with a couple old labels, including a Scott Williams label that calls it a 'large, transparent crystal' with a locality of 'Monserrat Mine, Poopo, Bolivia'. Comes mounted on a Lucite display stand.
SV312 - Orpiment $ 275 Cut 62, Twin Creeks Mine, Humboldt Co., Nevada, USA miniature - 5 x 4.5 x 4 cm ![]() ![]() ![]() ![]() ![]() Cluster of translucent amber colored Orpiment crystals from the famous early 2000s finds at the Twin Creeks Gold Mine in Nevada. The well formed crystals are translucent and even have areas of transparency. These are among the world's finest examples of the species, and certainly the best ever found in the USA.
SV300 - Galena $ 500 Buick Mine, Viburnum Trend, Missouri, USA small cabinet - 8.5 x 7.2 x 5 cm ![]() ![]() ![]() ![]() Bright metallic cluster of Galena crystals from the Buick Mine. The main group is an intergrown cluster of about 4 crystals with the appearance of one large crystal and a slightly concave front surface.Undamaged and showy specimen.
SV341 - Mimetite $ 400 Mina Ojuela, Mapimi, Durango, Mexico cabinet - 10.5 x 8 x 5 cm ![]() ![]() ![]() ![]() ![]() Bubbly mounds of yellow Mimetite from Mapimi. Great coverage of undamaged, botryoidal Mimetite with scattered crystals of Hemimorphite.
SV318 - Almandine $ 280 Green's Farm locality, Roxbury, Litchfield Co., Connecticut, USA small cabinet - 6 x 2.8 x 2.5 cm ![]() ![]() ![]() ![]() Old USA classic Almandine specimen with a complete purple-red dodecahedron 2.3cm wide. The Almandine sits perfectly for display in a gray/green schist matrix. A good-sized crystal for the locality which is now closed to collecting.
SV321 - Almandine $ 225 Green's Farm locality, Roxbury, Litchfield Co., Connecticut, USA miniature - 4.7 x 3 x 2 cm ![]() ![]() ![]() ![]() Old USA classic Almandine specimen with two complete purple-red dodecahedrons to 1.7cm wide. The Almandine sit perfectly for display in a gray/green schist matrix. A good example from a locality which is now closed to collecting.
SV329 - Fluorite on Calcite $ 200 Nasik, Maharashtra State, India small cabinet - 6.5 x 5.5 x 3.5 cm ![]() ![]() ![]() ![]() ![]() Orange botryoidal Fluorite on Calcite crystals on Quartz. The Fluorite grows in a line up the center of each side of the main Calcite crystal.
SV377 - Pyromorphite $ 220 Bunker Hill Mine, Kellogg, Idaho, USA thumbnail - 2.3 x 1.5 x 1.3 cm ![]() ![]() ![]() ![]() ![]() Elegant cluster of yellow to orange Pyromorphite crystals. Complete all around.
SV389 - Wurtzite $ 125 Huanzala Mine, Ancash, Peru thumbnail - 2.5 x 1.5 x 1.5 cm ![]() ![]() ![]() Dense grouping of Wurtzite crystals filling a Quartz crystal lined vug.
SV386 - Cerussite $ 200 Touissit, Morocco thumbnail - 2 x 2 x 0.9 cm ![]() ![]() ![]() ![]() Glassy, reticulated cluster of Cerussite crystals. Undamaged.
SV375 - Polybasite $ 270 Guanajuato, Mexico thumbnail - 1.7 x 1.5 x 1.1 cm ![]() ![]() ![]() ![]() ![]() Classic bladed crystals group of Polybasite with tiny Acanthite crystals attached.
SV384 - Epidote $ 120 San Quintin, Baja California, Mexico thumbnail - 2.8 x 2.6 x 1.5 cm ![]() ![]() ![]() ![]() Thick, well terminated single deep green Epidote crystal from San Quintin. Complete all around.
SV388 - Siegenite $ 120 West Fork Mine, Reynolds Co., Missouri, USA thumbnail - 1.9 x 1.4 x 0.9 cm ![]() ![]() ![]() ![]() Silvery, octahedral crystals of rare Siegenite. Siegenite is a cobalt nickel sulfide that is one of the rarer and most sought after minerals from Missouri's Viburnum Trend. This is nothing but solid Siegenite without matrix.
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