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Suredaite

Suredaite

MNHN N°206.153

visu_51 infos
FROM : Pirquitas mine, Abra Pampa, Jujuy province, Argentina
SIZE : 9.5 x 7.3 cm

general description

This sample shows sill elongated aggregates of suredaite shaped like "needles". These needles are gray whith a metallic lustre. They rise not above few millimeters. This sample shows a polymetallic mineralization. It measures 9.5 x 7.3 cm.

This sample, acquired thanks to the support from Total, comes from Pirquitas mine in Argentina. It is kept in the storage rooms of the collections of the Muséum national d’Histoire naturelle (i.e., not yet displayed to the public).

Photography: Louis-Dominique Bayle, © MNHN.
The Species page
Identity card
SPECIE : Suredaite

HISTORY : Species dedicated to Ricardo José Sureda Leston (1946-), Argentin mineralogist, for its significant contributions to the Argentinian mineralogy

Species first described in 2000 by Werner Paar et al.

Type-locality: Pirquitas occurence, Jujuy, Argentina

CHEMICAL FORMULA : Pb Sn S3
CRYSTAL SYSTEM : Orthorhombic
COLOR : Black grayish
DIAPHANIETY : Opaque
LUSTER : Metallic
STREAK : Black
MORPHOLOGY : Tabular, prisamtic crystals
HARDNESS : 2,5-3,0
DENSITY : 5,54 – 5,88

CHEMICAL CLASS : II - Sulfides, arsenides,
GROUP : Ottemannite
STRUNZ CLASS BEFORE 2001 : 2/C.17-45
STRUNZ CLASS AFTER 2001 : 2.DB.10
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