Description: Quartz after Octahedral Fluorite
Wheal Mary Ann, Menheniot, Liskeard, Cornwall, England, United Kingdom
Specimen size: 7.5 × 6.4 × 3.3 cm.
Main crystal size: 1.5 × 1.5 cm.
Former Jan Buma collection. Number 940105
Photo from "Reference Specimens"
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