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M832 - Chalcoalumite $ 220 Grandview Mine, Grand Canyon, Coconino Co., Arizona, USA miniature - 5 x 3.5 x 2.5 cm ![]() ![]() ![]() ![]() Bright Robin's egg blue Chalcoalumite covering matrix. These specimens are very hard to come by now as the locality is now part of a national park. This old copper mine began operation in 1892, stopped operation around 1907, and became a part of the national park in 1940. The specimen is likely over 100 years old! From an old collection and comes mounted in a plastic box.
M830 - Galena $ 75 Joplin Field, Jasper Co., Missouri, USA miniature - 5 x 3 x 3 cm ![]() ![]() ![]() ![]() ![]() Bright and shiny crystals of Galena. Crystallized all around with larger crystal faces on one side and smaller more complex crystals on the other side. Out of an old collection from the 1980s.
M862 - Ilvaite $ 350 Huanggang Mine, Inner Mongolia, China small cabinet - 6.5 x 4.5 x 4 cm ![]() ![]() ![]() ![]() Cluster of thick, glossy black Ilvaite crystals with a few small green Quartz crystals attached. Complete all around.
M870 - Ilvaite $ 350 Huanggang Mine, Inner Mongolia, China miniature - 4.5 x 4 x 3.5 cm ![]() ![]() ![]() ![]() ![]() Cluster of thick, glossy black Ilvaite crystals with typical chisel-shaped termination. There are a few small green Quartz crystals and Hedenbergite attached. Complete all around.
M872 - Ilvaite $ 650 Huanggang Mine, Inner Mongolia, China small cabinet - 6 x 5 x 4.5 cm ![]() ![]() ![]() ![]() ![]() Cluster of thick, glossy black Ilvaite crystals with wide chisel-shaped terminations. Complete all around.
M873 - Sugilite $ 750 N'Chwanning Mine, Kuruman, South Africa small cabinet - 6.5 x 4.5 x 1.5 cm ![]() ![]() ![]() ![]() Bright, chatoyant fibrous Sugilite occurring as tightly packed crystals on matrix. Good masses of Sugilite on both sides of specimen. From a rare and limited find in 2014 that produced mostly thumbnail sized specimens. This is a piece that has been stashed away for years and is the largest of this type I've ever had, offered now for the first time.
M874 - Sugilite $ 250 N'Chwanning Mine, Kuruman, South Africa miniature - 3.4 x 2 x 1.5 cm ![]() ![]() ![]() ![]() Bright, chatoyant fibrous Sugilite occurring as tightly packed crystals on matrix. Thick masses of Sugilite grown all around small pieces of matrix. From a rare and limited find in 2014.
M283 - Gmelinite $ 120 Flinders, Victoria, Australia small cabinet - 8 x 5 x 3.5 cm ![]() ![]() ![]() Peach colored Gmelinite lining vugs on matrix. Gmelinite is a fairly uncommon zeolite mineral (a hydrated sodium calcium aluminum silicate) and occurs on the specimen with Analcime, Natrolite and potentially other zeolites. Old specimen from a 1980s era collection. Sawcut on base.
M880 - Fluorite $ 600 La Barre Mine, Puy-de-Dôme, Rhône-Alpes, France small cabinet - 5.2 x 4.5 x 2.7 cm ![]() ![]() ![]() ![]() Intensely colored blue Fluorite crystal from the La Barre Mine. The color is a pleasing deep blue, just what you would want in Fluorite, with lots of well defined phantoms. There is some edge wear but it's in good condition overall, and highly transparent. I think it looks nicer in person than the photos as you can see the depth and range of colors better. Comes with a custom Lucite base.
M881 - Copper $ 180 Arizona, USA small cabinet - 6 x 4.5 x 3 cm ![]() ![]() ![]() ![]() Well crystallized Copper specimen from an old collection. Lots of branches loaded with crystals, individual crytals to 1cm in size.
M554 - Pyrite with Enargite Morococha Mine, Junin Region, Peru small cabinet - 7.5 x 5.5 x 3 cm ![]() ![]() ![]() ![]() Pyrite specimens always make some of the brightest and showy of mineral specimens, and those with octahedral crystals such as this old timer are mush less common than most. This specimen has well formed crystals to 2.5cm wide intergrown with grey Enargite crystals and dates back to approximately the 1980s.The Morococha mine is a large silver mine located in the center of Peru in Junín Region.
M855 - Chrome Tremolite $ 95 Merelani Hills, Arusha, Tanzania thumbnail - 1.8 x 1 x 0.5 cm ![]() ![]() ![]() ![]() Vivid green Tremolite crystal from the Merelani Tanzanite mines. Complete all around and well terminatedd (most are unterminated shards). Like many other minerals from Merelani, the Tremolite found here is considered the best in the world. Glassy and undamaged.
M851 - Chrome Tremolite $ 95 Merelani Hills, Arusha, Tanzania thumbnail - 1.4 x 0.8 x 0.3 cm ![]() ![]() ![]() ![]() Vivid green Tremolite crystal from the Merelani Tanzanite mines. Complete all around and well terminatedd (most are unterminated shards). Like many other minerals from Merelani, the Tremolite found here is considered the best in the world. Glassy and undamaged.
M875 - Malachite after Cuprite $ 375 Chessy, Rhone-Alpes, France thumbnail - 1.5 x 1.1 x 1 cm ![]() ![]() ![]() ![]() Excellent example of Cuprite crystal altering to Malachite from Chessy, the very best of a small lot I reviewed that had recently been relased for sale. Complete single crystal with great form and smooth surface luster. Undamaged. Old, classic specimen possibly from the 1800s.
M512 - Atacamite $ 75 La Farola Mine, Copiapo, Chile miniature - 5 x 4 x 1.8 cm ![]() ![]() ![]() Lustrous forest green crystals of Atacamite with Chrysocolla and white Halloysite. Highly mineralized example with good coverage of crystals over matrix.
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