13hbmdis ((MARCASITE, CALCITE)), $1 MINIMUM BID, Taxco, Guerrero, Mexico, 9 x 7 x 3.5 cm, cabinet, | |
Here is a Marcasite covered with clusters of small white Calcite crystals. The Marcasite has cracks but is not appears stable at least for now. Over time Marcasite is less stable than Pyrite in humid climates. In dry climates both do well. |