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Communications from the Oxford Mineralogical Laboratory. Mineralogical Notes: Zinc-Blende; Galena; Pyrites; Lead

Published online by Cambridge University Press:  14 March 2018

Extract

A Specimen in the University Museum consists of black tetrahedral blende, exhibiting perfect metallic lustre; indeed, the brilliant steely cleavage surfaces of the mineral and its metallic tarnish raised a doubt whether it could really be blende; but in very thin fragments viewed by transmitted light it is seen to be brown in colour.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1899

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