5idml.is ((CALCITE, QUARTZ)), $5 MINIMUM BID, Yaogangxian W-Sn ore field, Yizhang Co., Chenzhou, Hunan, China, 9.5 x 8 x 3.5 cm, Cabinet | |
Here is a lustrous Quartz crystal covered with Calcite on one side. Calcite is stacked flattened rhombs of Calcite. |