Calcite ( var. manganoan ) with Quartz
Huanggangliang Fe mine, Kèshíkèténg Qí, Chifeng Prefecture, Inner Mongolia A.R., China
168 x 148 x 81 mm (Author: GneissWare)
Dimensions: | 1600 x 1315 |
File size: | 221.48 kbytes |
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