475-09fdcenrs ((SPHALERITE, QUARTZ, BOURNONITE)), $30 MINIMUM BID, Casapalca Mine, Peru, 13 x 11 x 5 cm, Cabinet | |
Here is a large cabinet specimen with large Sphalerite crystals and terminated Quartz. The label also says Bournonite which is either small or areas of massive or small crystalline grey colored mineral in association. But no larger Bournonite crystals. ex Academy of Natural Science Philadelphia #19720. ex Eugene Poltevin |