# | Name | Type | Locality | Size | Acquired | Thumbnail |
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2520 | Manganoan Calcite on Sphalerite | Mineral | Karaaliev dol deposit, Angel Yanakiev Mine, Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria | 15.0 x 8.0 x 9.5 cm | 2013-08-09 |  |
1917 | Fluorite and Manganocalcite (Fluorescent) on Sphalerite | Mineral | Dal'Negorsk, Primorskiy Kray, Russia | 9 x 14 x 4.5 cm | 2010-04-03 |  |
1540 | Manganoan Calcite | Mineral | Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa | 5.4 x 3.0 x 3.0 cm | 2009-06-25 |  |
1312 | Manganoan Calcite | Mineral | Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa | 6.1 x 5.0 x 3.0 cm | 2009-03-09 |  |
674 | Kutnohorite and Manganoan Calcite | Mineral | N'Chwaning II Mine, Kalahari manganese fields, Northern Cape Province, South Africa | 8.3 x 5.8 x 5.2 cm | 2008-05-22 |  |
598 | Manganocalcite on Quartz and Sphalerite | Mineral | Pachapaqui District, Ancash Department, Peru | 15.5 x 11.0 x 9.0 cm | 2008-02-09 |  |
263 | Manganocalcite with Quartz and Pyrite | Mineral | Pachapaqui Mine, Ancasch, Peru | 8 X 4.5 X 3 cm | 2006-08-31 |  |
225 | Pyrite on Manganocalcite | Mineral | Cavnic, Romania | 8.9 x 6.4 cm | 2006-07-24 |  |