475-09fdceis ((ENARGITE, TETRAHEDRITE)), $25 MINIMUM BID, Morococha, Peru, 11 x 9 x 9 cm, Cabinet, | |
Here is a large Philadelphia Academy specimen from Peru. The specimen has many lustrous terminated Enargite crystals and pyramid shaped black non lustrous crystals of Tetrahedrite. ex Academy of Natural Sciences of Philadelphia #20717. |