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Tubulite & Jordanite

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SKY199882

Tubulite & Jordanite

Rare Mineral
Type Locality

Description Tabs

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. Formula: Ag2Pb22Sb20S53. Very limited finding. The sample has 1 perfect tube and some additional jordanite crystals. Tubulite was approved in 2011 (IMA 2011-109) and published in June 2012. Type locality. Very special specimen for the perfection of the tube!. Very nice under the microscope !.

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

Jordanite

Formula: 
Pb14(As,Sb)6S23
Strunz: 
2.JB.30a
Hardness: 
3.0
Streak: 
Black
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland

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