7bttj.r ((QUARTZ pseudomorph after Calcite with Fluorite and Calcite)), $20 MINIMUM BID, Black Knife group, Cuchillo Negro District, Mammoth Mine, Sierra County, New Mexico, 7 x 5 x 4.5 cm, Cabinet | |
Quartz replaced large scalenahedral Calcite crystals. Typical Calcite and Fluorite filled the crystal voids. Sometime small Fluorite crystals are also on the outside of the pseudomorphs but I dod not see these. In the voids the majority of crystals look like gemmy Calcite crystals but I am sure there are probably Fluorite present also although I do not see them. |