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Mcbirneyite & Lammerite

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GMN534993

Mcbirneyite & Lammerite

Description Tabs

Description
Locality: 
Tolbachik Volcano, Kamchatka Krai, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.4 × 0.6 cm
Description

Very unique specimen, with small black lustrous mcbirneyite lamellaes epitactically overgrowing green lammerite.

Mineral Data
What's on the rock

Mcbirneyite

Formula: 
Cu3(VO4)2
Strunz: 
8.AB.35
Hardness: 
0.0
Colour: 
Black
Type Locality: 
Izalco Volcano, Sonsonate Department, El Salvador

Lammerite

Formula: 
Cu3(AsO4)2
Strunz: 
8.AB.30
Hardness: 
3.0 - 4.0
Type Locality: 
Laurani Mine, Laurani District, Aroma Province, La Paz Department, Bolivia

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