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Dolerophanite Bonattite & Euchlorine

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SKY535571

Dolerophanite Bonattite & Euchlorine

Classic Locality

Description Tabs

Description
Locality: 
Tolbachik Volcano, Kamchatka Krai, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 0.8 × 0.8 cm
Description

Sharp brown crystals of the very rare mineral dolerophanite (photos 1, 2, 6) associated to blue bonattite and green euchlorine, so three rare minerals in the same specimen!. Dolerophanite has only been found in 4 localities worldwide. Specimen analyzed by Dr. M. Murashko.

Because the specimen is air sensitive and must be sealed in a vial, it is photographed through the vial glass, so the quality of the photos is not so good as desired.

Mineral Data
What's on the rock

Dolerophanite

Formula: 
Cu2(SO4)O
Strunz: 
7.BB.20
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Bonattite

Formula: 
CuSO4·3H2O
Strunz: 
7.CB.10
Crystal System: 
Monoclinic
Hardness: 
0.0
Colour: 
Pale blue
Type Locality: 
Macei stope, Cape Calamita Mine (Calamita Mine), Capoliveri, Elba Island, Livorno Province, Tuscany, Italy

Euchlorine

Formula: 
KNaCu3(SO4)3O
Strunz: 
7.BC.30
Crystal System: 
Monoclinic
Hardness: 
0.0
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

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