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Calciojohillerite

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GMN799028

Calciojohillerite

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: 
2.7 × 1.7 × 1.5 cm
Description

Brownish columnar crystals and their clusters on matrix. Rich specimen!

Mineral Data
What's on the rock

Calciojohillerite

Formula: 
NaCaMg3(AsO4)3
Group Parent: 
Alluaudite Group
Crystal System: 
Monoclinic
Type Locality: 
Arsenatnaya Fumarole, 2nd Scoria Cone, Tolbachik, Far Eastern Region, Russian Federation
Isostructural with: 
Johillerite

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