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Smithsonian National Museum of Natural History

Pyromorphite

Photograph of pyromorphite (171200) from the National Mineral Collection
Photo by Chip Clark. Click to zoom.
Catalog Number NMNH 171200-00
Locality Bunker Hill Mine, Idaho, United States

Pyromorphite is mined as an ore of lead and prized by collectors for its colorful crystals. It is a lead chlorophosphate and typically occurs as prismatic to acicular crystals. Pyromorphite forms in vivid shades of green, yellow, orange, brown and even colorless with a resinous luster. The crystals form interesting aggregates and have been found in many localities including France, Germany, England, Australia, China and the United States.


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