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Perhamite

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SER165163

Perhamite

Description Tabs

Description
Locality: 
Silver Coin Mine, Valmy, Humboldt County, Nevada, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.1 × 2.2 cm
Description

A rich specimen covered by pearl White spheres of perhamite and colourless wavellite

Mineral Data
What's on the rock

Perhamite

Formula: 
Ca3Al7.7Si3P4O23.5(OH)14.1·8H2O
Strunz: 
8.DO.20
Hardness: 
5.0
Streak: 
white
Type Locality: 
Dunton Gem Quarry, Newry, Oxford Co., Maine, USA