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Routhierite Protochabournéite & Arsiccioite

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SKY615704

Routhierite Protochabournéite & Arsiccioite

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: 
1.5 × 1.5 × 1.3 cm
Description

An incredible combination of three extremely rare thallium minerals in crystallized form: routhierite, arsiccioite and protochabourneite. The last two are relatively new: arsiccioite is IMA 2013-58 and protochabourneite IMA 2011-054.

The physical aspect of each species is as follows: arsiccioite and routhierite are light and dark red respectively, but not discernible in this sample due to the smallness of the crystals (photos 3, 4) , protochabourneite is metallic black (photos 1, 2 , 5 ) .

Arsiccioite and protochabourneite have not found at any other site in the world, so they are 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...

Arsiccioite

Formula: 
AgHg2Tl(As,Sb)2S6
Hardness: 
0.0
Colour: 
Red
Type Locality: 
Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy...

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