Magma Mine, Pioneer District, Superior, Pinal County, Arizona, USA
56mm x 38mm x 36mm
Intergrown clusters of scalenohedrons of Calcites are interspersed on limonitic matrix. The Calcites, up to 16 x 12 mm, have superb luster and translucence. The quality and aesthetics of this specimen is exceptional, and is much better than the photos illustrate. Specimens from this now closed Arizona mine are difficult to find.ex. Bob Griffis collection
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4,992,255 minIDs have been issued as of 7th Apr 2020 9:31 am BST