Collection of Mark Fenoglio
334 specimens published from MyMinerals 1.0
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Collection of Mark Fenoglio
334 specimens published from MyMinerals 1.0 A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z |
 Sphalerite var. Marmatite  No. 0100
Casapalca Mine Casapalca, Huarochiri Prov., Peru Clusters of perfect black tetrahedral crystals (to 7 mm across) with adamantine luster intersprinkled with small cubic pyrite and elongate arsenopyrite crystals; chalky white powder-like coating in scattered pockets; atop massive reddish-black glassy sphalerite and golden-yellow pyrite matrix Purchased in June 2001
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 11.5 x 9 x 2.5 cm (large cabinet) |
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Specimen Photographs, Descriptions: Copyright © 2005 Mark Fenoglio. All Rights Reserved. |