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Tubulite

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SKY525959

Tubulite

Type Locality

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: 
2.7 × 2.4 × 1.2 cm
Description

Extremely rare new mineral with a very curious tubular shape which gives name to the mineral. Formula: Ag2Pb22Sb20S53. Very limited finding. The sample has one absolutely perfect tube! Associated hairy mineral is also tubulite and also a good galenite crystal is present (photos 4 and 7). 

Tubulite was approved in 2011 (IMA 2011-109) and published in June 2012. Type locality. Very sought after specimen for the perfection of the tube!

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

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