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Zvyagintsevite

MNHN N°203.41

visu_66 infos

FROM : Village de Konder, Nelkan, Ajano-Maiskiv, Russia
SIZE : 0.7 x 0.7 x 0.2 cm (main crystal)
WEIGHT : 1.64 gr

general description

Four perfectly well-formed crystals of zvyagintsevite are brought together under this inventory number. They are gray with a metallic lustre, more or less cubic. The bigger one is 0.7 x 0.7 x 0.2 cm and weighs 1,64 grames, the others weigh 0.45 gr; 0.447gr and 0.294 gr.

These samples come from Konder in Russia. The Museum national d’Histoire naturelle could obtain this specimen thanks to support from Total. It is kept today 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.

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The Species page

Identity card

SPECIE : Zvyagintsevite

HISTORY : Species dedicated to Orest Evgenevich Zvyagintsev (1894-1967), Russian geochemist russe specialist of platinum-group metals

Species first described in 1966 by AD. Genkin et al.

Type-locality: Talnakkh, Noril'sk, Siberia, Russia

CHEMICAL FORMULA : (Pd,Pt,Au)3 (Pb,Sn)
CRYSTAL SYSTEM : Cubic
COLOR : White, gray
DIAPHANIETY : Opaque
LUSTER : Metallic
STREAK : Black
MORPHOLOGY : Irregular grains, massive, cubic crystals
HARDNESS : 4
DENSITY : 13,42

CHEMICAL CLASS : I - Elements
GROUP : Zvyagintsevite
STRUNZ CLASS BEFORE 2001 : 1/A.16-10
STRUNZ CLASS AFTER 2001 : 1.GA.10

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