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Tubulite

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JYJ662656

Tubulite

Description Tabs

Description
Locality: 
Borgofranco Mines, Biò, Borgofranco d'Ivrea, Canavese, Torino Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 0.8 cm
Description

Grey metallic tubulite on boulangerite. Due to the crystals habit TEM diffraction data was necessary for structural solution. Rare mineral!

Mineral Data
What's on the rock

Tubulite

Formula: 
Ag2Pb22Sb20S53
Strunz: 
2.JB.35f
Hardness: 
0.0
Colour: 
Black
Type Locality: 
Rivet Quarry, Montredon-Labessonnié, Réalmont, Tarn, Midi-Pyrénées, France