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Routhierite & Protochabournéite

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SKY507822

Routhierite & Protochabournéite

Type Locality

Description Tabs

Description
Locality: 
Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1 × 0.5 cm
Description

Absolutely sharp black protochabourneite crystals (see photos 1 and 5!) associated to deep red routhierite crystals in an incredible combination of two extremely rare thallium minerals in crystallized form: routhierite (Tl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6,) and protochabourneite (Tl5-xPb2x(Sb,As)21-xS34). Protochabourneite is also very new: IMA 2011-054.

Protochabourneite have not found at any other site in the world, so it is a one locality mineral.

Mineral Data
What's on the rock

Routhierite

Formula: 
Tl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6
Strunz: 
2.GA.40
Hardness: 
3.5
Type Locality: 
Jas Roux, La Chapelle-en-Valgaudemar (La Chapelle-en-Valgaudémar), Hautes-Alpes, Provence-Alpes-Côte d'Azur, France...

Protochabournéite

Formula: 
Tl5-xPb2x(Sb,As)21-xS34 (x ~ 1.2-1.5)
Hardness: 
0.0
Type Locality: 
Sant'Olga tunnel, Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy...

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