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Tubulite

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DLN109305

Tubulite

Type Locality

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Description
Locality: 
Borgofranco Mines, Biò, Borgofranco d'Ivrea, Canavese, Torino Province, Piedmont, Italy
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 1.5 cm
Description

Extremely rare new mineral with a very curious tubular shape which gives name to the mineral. Approved in 2011 (IMA 2011-109) and published in June 2012 in the Newsletter of Mineralogical Magazine. Type locality. Formula: Ag2Pb22Sb20S53. Very limited finding. The sample has two tubes, the main one and a smaller one shown in the fourth photo. In addition to the tubes, the rest of the hairy webs scattered on matrix are also tubulite. A different sample of tubulite was pictured in the cover of "Italian Type Minerals" (Ciriotti el al. 2010) when the mineral was still unnamed. Exceptional specimen for the perfection of the tub !.

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
DLN Minerals

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