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M388 - Copper with Calcite, Cerussite $ 150 Tsumeb, Namibia miniature - 4 x 3.5 x 3.5 cm ![]() ![]() ![]() ![]() ![]() ![]() Black rock matrix (with included crystals of an unidentified species) with white Rhombic Calcite crystals (old Fraziers label inidcates the Calcite is fluorescent). Copper runs throughout the specimen, and is exposed in the central vug area, along with a small cluster of transparent Cerussite crystals.
M389 - Copper $ 240 Mufulria Mine, Mufulria, Zambia small cabinet - 5.7 x 3.5 x 1.5 cm ![]() ![]() ![]() ![]() ![]() ![]() Thick and sturdy specimen of Copper crystals. There are areas of trnaslucent white Calcite attached and bright, untarnished Copper is visible beneath.
M391 - Copper $ 225 Ajo, Pima Co., Arizona, USA miniature - 5 x 1.5 x 1 cm ![]() ![]() ![]() ![]() Beautiful, slightly skeletal crystal of Copper. Complete all around and undamaged with a slightly irridescent surface.
M396 - Copper $ 425 Santa Rita, New Mexico, USA small cabinet - 8.5 x 7.5 x 6 cm ![]() ![]() ![]() ![]() ![]() ![]() Multiple somewhat flat sheets of Copper crystals that grew in fractures around the now mostly gone matrix, leaving a sculptural mass of good crystals.
M393 - Copper $ 275 Calumet, Michigan, USA small cabinet - 7.5 x 6 x 4.5 cm ![]() ![]() ![]() ![]() ![]() ![]() Michigan Copper specimen forming a sculptural ring shaped mass that connects all the way around.
M397 - Copper $ 425 Broken Hill, New South Wales, Australia small cabinet - 6 x 6 x 4 cm ![]() ![]() ![]() ![]() ![]() Thick, heavy formation of solid Copper with a minor amount of attached Calcite. Comes with an old British Museum of Natural History label.
M398 - Chalcotrichite on Copper $ 130 Ray Mine, Arizona, USA small cabinet - 5.5 x 3 x 1 cm ![]() ![]() ![]() ![]() ![]() ![]() Flat sheet of Copper covered by acicular Chalcotrichite (needle-like form of Cuprite).
M379 - Dravite $ 1200 Mwajanga, near Komolo, Tanzania cabinet - 10.5 x 3 x 2 cm ![]() ![]() ![]() ![]() ![]() Large, double-terminated blue-cap Dravite from a unique 2017 find. This one has so many things going for it, most importantly it's large size and good condition with only one bit of chipping along the termination. It features a dark body grading up to a translucent white zone followed by an intensly blue termination. While the dark zone in the majority of the crystals were opaque, this one is translucent, even despite it's larger size (I put a pen light behind it in one photo to show the translucency). The other end is terminated with a more pyramidal shape and has green overgrowths. There is another small Dravite intergrown in this end.
M363 - Dravite $ 280 Mwajanga, near Komolo, Tanzania miniature - 4.2 x 2.6 x 2.1 cm ![]() ![]() ![]() ![]() Thick, terminated blue-cap Dravite from a unique 2017 find. It features a dark body grading up to a translucent white zone followed by an intensly blue termination. Undamaged and weighs 38 grams.
M365 - Dravite $ 280 Mwajanga, near Komolo, Tanzania thumbnail - 3 x 2.6 x 2.2 cm ![]() ![]() ![]() Thick, terminated blue-cap Dravite from a unique 2017 find. It features a dark body grading up to a translucent white zone followed by an intensly blue termination. Undamaged and weighs 37.6 grams.
K923 - Azurite with Malachite $ 80 Milpillas Mine, Cuitaca, Sonora, Mexico thumbnail - 1.9 x 1.5 x 1.5 cm ![]() ![]() ![]() Cluster of deep blue Azurite crystals with a minor amount of attached Malachite. This is from what is called the Watercourse Pocket of the mine which produced some of the best specimens ever found there. Specimens from this pocket were composed of interlocking, lustrous crystals such as these. Like many from this pocket, it is a floater with small needle-like crystals of Malachite attached. This specimen features a 1.9cm main crystal with smaller intergrown crystals.
M330 - Stellerite with Quartz $ 125 Garrawilla Station, Pottinger Co., New South Wales, Australia small cabinet - 6 x 4 x 3 cm ![]() ![]() ![]() ![]() Cluster of 4 orange Stellerite crystals on a matrix covered by drusy Quartz. Small Quartz crystals are scattered across the surface of the Stellerite crystals.
M434 - Copper $ 350 Corocoro, La Paz, Bolivia small cabinet - 9.3 x 5.5 x 0.7 cm ![]() ![]() ![]() ![]() ![]() Specimen of thick, interconnected Copper crystals. A nice thick, sturdy and nice looking Copper specimen. A good Copper from a locality most famous for it's Copper after Aragonite pseudomorphs.
M411 - Silver on Copper $ 250 Escanaba, Michigan, USA miniature - 3.9 x 2.5 x 2 cm ![]() ![]() ![]() ![]() Mass of Silver and Copper known as a 'half breed'. Weighs 40 grams.
M427 - Copper $ 325 Ajo, Arizona, USA miniature - 4 x 2.6 x 1.3 cm ![]() ![]() ![]() ![]() Group of large Copper crystals. Well formed crystals complete all around and good from either side.
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