| 4210-09fdceis ((BOURNONITE, CALCITE, QUARTZ)), $35 MINIMUM BID, Casapalca, Peru, 13.5 x 13.5 x 5.5 cm, Large Cabinet | |
 | Here is a large cabinet sized specimen from the Academy of Natural Science of Philadelphia #19719. There are double terminated bowties of Calcite and terminated small Quartz crystals. Throughout there is lustrous grey Bournonite to about 7MM. This is an old historic specimen from the Philadelphia Academy. |
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