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Copper
Copper spinel-law twins, 5.2 cm, from the Osceola mine, Houghton County, Michigan. Ex Clarence S. Bement collection from his tour of 1882. From Brad van Scriver (1979). Pictured in American Mineral Treasures (2008); Jeff Scovil photo.
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Species
Locality
Osceola mine, Houghton County, Michigan
Publications
- Mineralogical Record Mineral Collections In American Northeast page 330
Added on02/13/2026
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