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Demicheleite-(Cl) & Godovikovite

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SKY969725

Demicheleite-(Cl) & Godovikovite

Type Locality

Description Tabs

Description
Locality: 
La Fossa Crater, Vulcano Island, Messina Province, Sicily, Italy
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.4 × 0.4 cm
Description

Exceptional sample of the rare relatively new mineral (IMA 2008-020) demicheleite-(Cl) in well formed red microcrystals and associated to yellow godovikovite.

The mineral is found only in this locality worldwide and it has an unusual chemistry, as it is a bismuth sulphide chloride (BiSCl)

Mineral Data
What's on the rock

Demicheleite-(Cl)

Formula: 
BiSCl
Strunz: 
2.FC.25
Hardness: 
0.0
Type Locality: 
La Fossa crater, Vulcano Island, Lipari, Eolie Islands (Aeolian Islands), Messina Province, Sicily, Italy

Godovikovite

Formula: 
(NH4)Al(SO4)2
Strunz: 
7.AC.20
Hardness: 
2.0
Type Locality: 
Kopeisk, Chelyabinsk coal basin, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

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