14hhdm.o ((CALCITE)) $10 MINIMUM BID, Mapimi, Durango, Mexico, 8 x 5 x 5 cm, Cabinet | |
Lustrous blackish brown scalenahedral crystals of Calcite that looks like the crystals are coated with a thin shell of Goethite. Small gemmy secondary Calcite crystals which are lustrous, transparent, and colorless slight yellow brown in color on top of the primary dark Calcite. ex Dennis McMurdie collection. |