Cyanotrichite Needles
Cyanotrichite Needles from Grandview Mine, Coconino County, Arizona
Collection John Betts - Fine Minerals
Description Bright blue Cyanotrichite crystals on Limonite gossan matrix. Optical data for this rare mineral was first obtained from this old locality (closed in 1913) and can be considered the type locality.
Locality Grandview Mine, Coconino County, Arizona
Dimensions 25 x 20 x 10 mm.
Specimen Grade A
Photograph © www.johnbetts-fineminerals.com - All Rights Reserved.

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