|
Copper Collection - Part 1 January 9, 2020 · 12 specimens |
M378 - Copper $350 available
Kearsarge #4 Mine, Houghton Co., Michigan, USA
Small Cabinet - 8 x 5 x 5 cm
Thick, wavy sheets and masses of Copper. Specimen is almost entirely Copper with a bit of rock matrix mixed with Copper at the base.
M384 - Copper sold
Bisbee, Cochise Co., Arizona, USA
Small Cabinet - 7 x 4.5 x 3.5 cm
Heavy nugget-like specimen of Copper from Bisbee. Appears to be nearly solid Copper with areas that have retained their bright Copper coloration.
M385 - Copper sold
Mantos de Cuba Mine, Inca de Oro, Atacama, Chile
Small Cabinet - 7 x 4.5 x 4 cm
Sculptural cluster of crystallized Copper with tall branches of Copper rising up from the base. Highly aesthtic spcimen from a locality that rarely produces attractive Coppers.
M386 - Copper sold
Bingham Canyon Mine, Oquirrh Mountains, Utah, USA
Thumbnail - 2.9 x 1.8 x 1.4 cm
Mass of solid crystals from the Bingham Copper Mine. This mine is the largest man-made excavation in the world and is considered to have produced more copper than any other mine in history – more than 19 million tons. One of the largest and highest-grade porphyry orebodies in the world, the mine still produces about 1% of the world's copper. Despite the huge prduction, Copper specimens from this mine are uncommon.
M387 - Copper $175 available
Keeweenaw Peninsula, Michigan, USA
Thumbnail - 2.5 x 2.5 x 1.5 cm
Thumbnail sized specimen with large, very well formed crystals of Copper.
M388 - Copper with Calcite, Cerussite $225 available
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 available
Mufulria Mine, Mufulria, Zambia
Small Cabinet - 5.7 x 3.5 x 1.5 cm
M391 - Copper $225 available
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 available
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.
M397 - Copper sold
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.
M394 - Copper sold
Ray Mine, Arizona, USA
Small Cabinet - 6 x 4.5 x 2 cm
Branching, dendritic Copper crystals that cover both sides of the rock matrix and rise up plant-like above the rock.
M395 - Copper sold
Cashin Mine, Colorado, USA
Cabinet - 11 x 6 x 2 cm
Large, heavy specimen of solid Copper with laminar growth features. The fibrous-looking nature of the copper is probably due to replacement by copper of fibrous-like white barite that is locally abundant at the mine. Small amounts of Silver iare present intergrown with the Copper.