Twinned Cassiterites In Matrix
Collection
John Betts - Fine Minerals
Description
Lustrous black Cassiterite crystals exposed on one face of a Quartz-Fluorite matrix. The Cassiterite crystals have slightly striated crystal faces and every crystal is twinned as evidenced by the reentrant faces in the corners of each pair. Ex. Fred DeVito (1937-2004) collection.
Locality
Horni Slavkov (Schlaggenwald), Bohemia, Czech Republic
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