#31

#31

Pmn21

Example – Enargite, Cu3AsS4

From the Greek έναργής for “distinct,” referring to its cleavage, which is perfect, in contrast to the chemically similar Tennantite, which, however, has no cleavage.

Strukturverfeinerung von Enargit, Cu3AsS4

Adiwidjaja G., Lohn J.
Acta Crystallographica B26 (1970) 1878-1879

http://www.mindat.org/min-1380.html

CIF
http://rruff.geo.arizona.edu/AMS/download.php?id=10372.cif&down=cif

Enargite

CuS4 tetrahedra
AsS4 tetrahedra

3D rotatable model of Enargite

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