Calcite (Manganese-rich)
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Calcite (manganese-rich), 19.5 cm, from the Androvo mine, Erma Reka, Smolyn Oblast, Bulgaria. Photo by Jeff Scovil.
Product details
Species
SizeLarge Cabinet
Dimensions19.5 cm
Added on02/13/2026
Locality
Publications
- Mineralogical Record Mineral Collections In American Northeast page 102
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Mineral guide
Learn about Manganese
Native manganese a rare native-element specimen prized by advanced collectors for its silvery luster, tiny grains, and provenance; misidentifications lower val…Regional guide
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