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Chabournéite Smithite & Wakabayashilite

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SKY176507

Chabournéite Smithite & Wakabayashilite

Type Locality

Description Tabs

Description
Locality: 
Jas Roux, La Chapelle-en-Valgaudemar, Hautes-Alpes, Provence-Alpes-Cote d'Azur, France
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1 × 0.8 cm
Description

A "trilogy" of rare minerals in only one sample, being the rarest chabourneite, as black crystal aggregates and crystal sections, associated to also rare smithite in red microcrystals and yellow acicular wakabayashilite, from this classic locality for thallium minerals. Chabourneite has only been found in 3 localities worldwide!

Mineral Data
What's on the rock

Chabournéite

Formula: 
Tl21-xPb2x(Sb,As)91-xS147 (x = 0-17.5)
Strunz: 
2.HC.05e
Hardness: 
3.0 - 3.5
Colour: 
Black
Type Locality: 
Jas Roux, La Chapelle-en-Valgaudemar (La Chapelle-en-Valgaudémar), Hautes-Alpes, Provence-Alpes-Côte d'Azur, France...

Smithite

Formula: 
AgAsS2
Strunz: 
2.GC.30
Crystal System: 
Monoclinic Tabular crystals.
Hardness: 
1.5 - 2.0
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland

Wakabayashilite

Formula: 
[(As,Sb)6S9][As4S5]
Strunz: 
2.FA.40
Hardness: 
1.5
Type Locality: 
Nishinomaki Mine, Gunma Prefecture, Kanto region, Honshu Island, Japan

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