manganocalcite |
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| navigate by keyword : manganocalcite manganoan calcite calcium mangano manganese fluorescence fluorescent light glowing reactive rhodochrosite crystal gem gemstone stone pink dark black background natural rough raw jewelry mineral macro closeup isolated jewel ore precious rock uncut gemology specimen collection colorful chunk pebble material sample bright mineralogy geology crystallize carbonate compare |
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| Manganocalcite (Manganoan calcite) a manganese calcium carbonate mineral under visible and UV light (selective focus) |
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