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Rhabdoborite-(W) & Berzeliite

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GMN765904

Rhabdoborite-(W) & Berzeliite

Type Locality

Description Tabs

Description
Locality: 
Tolbachik Volcano, Kamchatka Krai, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.5 × 1.2 cm
Description

Beige-grey, acicular rhabdoborite sprays and crystals, on yellow crystallized berzeliite crust.

Mineral Data
What's on the rock

Rhabdoborite-(W)

Formula: 
Mg12(W6+,V5+)1 · 5O6{[BO3]6–x[(P,As)O4]xF2–x} (x < 1)
Crystal System: 
Hexagonal
Type Locality: 
Arsenatnaya Fumarole, 2nd Scoria Cone, Tolbachik, Far Eastern Region, Russian Federation
Isostructural with: 
Rhabdoborite-(V)

Berzeliite

Formula: 
NaCa2(Mg,Mn2+)2(AsO4)3
Strunz: 
8.AC.25
Crystal System: 
Isometric
Hardness: 
4.5 - 5.0
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Seller Information

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