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Perhamite & Zinclipscombite

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SKY717969

Perhamite & Zinclipscombite

Rare Mineral

Description Tabs

Description
Locality: 
Silver Coin Mine, Valmy, Humboldt County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.7 × 1.8 cm
Description

White shiny crystals of the very rare mineral perhamite on a contrasting matrix and associated to pale green minoritary zinclipscombite and another platy unidentified rounded dark green mineral.

Analyzed specimen by SEM/EDS see copy enclosed

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

Zinclipscombite

Formula: 
ZnFe3+2(PO4)2(OH)2
Strunz: 
8.BB.90
Hardness: 
5.0 - 0.0
Type Locality: 
Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA

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