Rhodochrosite with Pyrite
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Weinrich MineralsFeatured
Choice American classic with pink rhombohedral crystals of rhodochrosite measuring to 1.3 cm in size across the top of matrix. In good condition with very minimal cleaving present. Minor pyrite is present.The Emma Mine in Butte, Montana was part of the extensive Butte mining district, one of the most productive copper mining regions in the United States. Developed in the late 19th century, the mine exploited rich polymetallic hydrothermal veins hosted in granitic and volcanic rocks that contained copper minerals along with silver, gold, and other metals. Operations were carried out by underground methods and were connected to the larger network of shafts and tunnels that characterized mining in Butte. Although individual mines such as the Emma eventually closed as operations consolidated, they contributed significantly to the districts reputation as the Richest Hill on Earth.
Product details
SpeciesPyrite, Rhodochrosite
SizeSmall Cabinet
Dimensions7.0 x 6.5 x 3.5 cm
Listed on07/16/2026
LocalityUSA, New Mexico, Emma Mine
SKU2102044
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Mineral guide
Learn about Pyrite
brilliant metallic luster, perfect cubes, and golden color; collectors prize affordable pieces to top specimens, with Navajún and Huanzala localities.Regional guide
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