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Trippkeite & Embreyite

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SKY702743

Trippkeite & Embreyite

Rare Mineral

Description Tabs

Description
Locality: 
Rawhide Mine, Rawhide Wash, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 0.4 cm
Description

Outstanding greenish yellow crystal aggregates of the extremely rare minerals trippkeite and embreyite (an intimate mixture of both species) in a contrasting matrix, associated to minoritary sky blue chrysocolla.. 

Analyzed specimen by X-Ray and SEM-EDS, see copy attached of both analysis.

Two very rare minerals in a single specimen !

Mineral Data
What's on the rock

Trippkeite

Formula: 
Cu[As2O4]
Strunz: 
4.JA.20
Crystal System: 
Tetragonal Prismatic crystals
Hardness: 
4.0
Streak: 
Pale blue
Type Locality: 
Copiapó Province, Atacama Region, Chile

Embreyite

Formula: 
Pb5(CrO4)2(PO4)2·H2O
Strunz: 
7.FC.20
Crystal System: 
Monoclinic
Hardness: 
3.5
Colour: 
Orange
Streak: 
Yellow
Type Locality: 
Berezovskoe Au Deposit (Berezovsk Mines), Berezovskii (Berezovskii Zavod), Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

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