Bright Blue Pentagonite Crystal Cluster on Stilbite Druzy Matrix Mineral Specimen. Very rare zeolite Mineral for the expert collector
Dimensions (millimeters): 40 x 20 x 20
Dimensions (inches): 1.6 x .75 x .75
Origins: Wagholi Quarry, Poona, India
Pentagonite is the rare dimorph of Cavansite. A dimorph is when two minerals share the same chemistry but occur in different crystal systems. Pentagonite is named for its unusual 5 fold twinning. Cavansite is fairly rare, pentagonite is much rarer. We are fortunate to live in a time when there has been a major discovery of this beautiful mineral.
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