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Borisenkoite & Zincobradaczekite

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GMN744552

Borisenkoite & Zincobradaczekite

Description Tabs

Description
Locality: 
Arsenatnaya Fumarole, Second Scoria Cone, Great Fissure, Tolbachik Volcano, Kamchatka Krai, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 0.7 cm
Description

Brownish cluster of elongated tabular crystals with blueish crystallized crust in volcanic scoria matrix cavity. Very rare mineral!

Mineral Data
What's on the rock

Borisenkoite

Formula: 
Cu3[(V,As)O4]2
Crystal System: 
Monoclinic
Type Locality: 
Yadovitaya Fumarole, Northern Breakthrough, Great Fissure eruption, Tolbachik volcano, Far-Eastern Region, Russia

Zincobradaczekite

Formula: 
NaZn2Cu2(AsO4)3
Group Parent: 
Alluaudite Group
Crystal System: 
Monoclinic
Type Locality: 
Yadovitaya Fumarole, Great Fissure, Tolbachik, Far Eastern Region, Russian Federation

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