Calcite with complex pseudo-hexagonal terminations (bright, lustrous, transparent) which is bright orange-red as a result of the presence of chalcotrichite inclusions. Growing from top of the calcite is a highly patinated feathery spinel-twinned group of copper crystals.
Calcite with Copper and Chalcotrichite inclusions
Ajo Mining District, Pima County, Arizona, USA
4.5 cm
Inventory # Y21_2_10