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1 item @ $125.00  

Enargite

#PD32805

Enargite

#PD32805
Availability
Sold
Size
1.5 x 3.5 x 2 cm - Miniature 
Formula
Cu3AsS4 (RRUFF)
Locality
Pen-Shan Ore Body, Jinguashi mine, Ruifang dist., Taiwan

Cluster of black tabular Enargite crystals to 7mm on a bit of Baryte matrix.

This specimen comes with a label from the Abe Rosenzweig Collection, a well known collector, dealer, and teacher and the Oberlin, Ohio address dates it between 1970 and 1977, so it's more vintage than antique. Additionally, he was the author of the paper titled 'Zonal Composition of Luzonite-Famatinite and Enargite from the Chinkuashih Mine, Taiwan' published by the Geological Society of China in 1975.

Enargite

Formula
Cu3AsS4 
Crystal System
Orthorhombic 
Crystal Habit
Euhedral Crystals, Massive - Granular, Prismatic 
Cleavage
Perfect, Distinct, Distinct 
Luster
Metallic 
Color
steel gray, blackish gray, violet black 
Streak
black 
Class
Orthorhombic - Pyramidal 
Fracture
Uneven 
Hardness

Data courtesy of Webmineral.

Collection
Phillips Collection

label from the Abe Rosenzwig Collection & paper he authored on the Chinkuashih Mine, Taiwan

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