Well-formed, opaque, lustrous, dark forest green crystals of Olivenite measuring to 4 mm are scattered and clustered over bright white, pyramidal Quartz crystals covering a Quartz veinstone. This large miniature is from Wheal Gorland at St. Day in Cornwall. The specimen comes with the U.S. National Museum (Division of Mineralogy) and Siber + Siber labels.
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