Cronstedtite on Quartz (Ref: ST660)
Wheal Jane, Baldhu, Kea, Cornwall, England
42mm x 38mm x 20mm
minID: 9CW-LDR
Black crystals of Cronstedtite coating transparent Quartz crystals. Cronstedtite is a rare iron silicate mineral. Comes with a number of old labels including an Ian and Kim Acworth label showing a date of 1978 and a Richard Barstow label. Ex. Erich Laskowski collection.From: Marin Minerals
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