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Dufrénoysite & Rutile

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SCH94473

Dufrénoysite & Rutile

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3.8 × 3.7 cm
Description

Very good long prismatic and fibrous dufrénoysite crystals in a large cavity of the sugary dolomite matrix. A group pf shiny rutile crystals is in another vug.

Analysed specimen with a label of Forschungsgemeinschaft Lengenbach

Mineral Data
What's on the rock

Dufrénoysite

Formula: 
Pb2As2S5
Strunz: 
2.HC.05d
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland

Rutile

Formula: 
TiO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal - Ditetragonal Dipyramidal
Hardness: 
6.0 - 6.5
Type Locality: 
Rutile locality, Horcajuelo de la Sierra, Madrid, Spain
schani

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