Calcite (Manganese-rich) on Quartz
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Calcite (manganese-rich) on quartz, 10 cm, from the Kruchev Dol mine, Madan District, Rhodope Mountains, Bulgaria. Geoffrey Crowe photo.
Product details
SizeSmall Cabinet
Dimensions10.0 cm
Added on02/13/2026
LocalityBulgaria, Smolyan Province, Krushev dol Mine
Publications
- Mineralogical Record Mineral Collections In American Northeast page 284
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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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