15dm1255 ((CALCITE, PLATTNERITE)), $10 MINIMUM BID, Hidden Treasure Mine, Tooele County, Utah, 22 x 9.5 x 3.2 cm, Cabinet, | |
Here is a specimen with hexagonal flat Calcite crystals in clusters forming spheres. Spherical Calcite clusters on both sides with the matrix covered with black Plattnerite. ex Dennis McMurdie collection. |