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Demicheleite-(Br)

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SKY548890

Demicheleite-(Br)

Type Locality

Description Tabs

Description
Locality: 
La Fossa Crater, Vulcano Island, Aeolian Islands, Sicily, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.2 × 1 cm
Description

Exceptional and very rich sample of the extremely rare new mineral (IMA 2007-022) demicheleite-(Br) in well formed metallic black crystals. The mineral is found only in this locality worldwide and it has an unusual chemistry, as it is a bismuth sulphide bromide (BiSBr). Of the 5000 minerals known only 17 have bromine in its composition, and this is one of them!. The mineral is even rarer than demicheleite-(Cl).

Very nice under the microscope !.

Mineral Data
What's on the rock

Demicheleite-(Br)

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

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