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Jagüéite Chrisstanleyite & Naumannite

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BCK703706

Jagüéite Chrisstanleyite & Naumannite

Werner Paar & David Burgess collections
Type Locality

Description Tabs

Description
Locality: 
El Chire Prospect, Los Llantenes, General Lamadrid Department, La Rioja, Argentina
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.2 × 3.7 cm
Description

You are bidding on a large sample with tiny, yellow intergrown grains of jagueite/chrisstanleyite in rich clots of tiemannite, naumannite and umangite in calcite matrix with malachite. Jagueite is a distinct species but was published without IMA approval. Very rare! Analyzed and from the Werner Paar collection. 

Mineral Data
What's on the rock

Jagüéite

Formula: 
Cu2Pd3Se4
Strunz: 
2/A.06-28
Crystal System: 
Monoclinic
Hardness: 
5
Colour: 
Creamy yellowish
Streak: 
Black

Chrisstanleyite

Formula: 
Ag2Pd3Se4
Strunz: 
2.BC.15
Crystal System: 
Monoclinic
Hardness: 
5.0
Streak: 
Black
Type Locality: 
Hope's Nose, Torquay, South Devon, Devon, England, UK...

Naumannite

Formula: 
Ag2Se
Strunz: 
2.BA.55
Crystal System: 
Orthorhombic
Hardness: 
2.5
Streak: 
black
Type Locality: 
Tilkerode (Abberode), Harz, Saxony-Anhalt, Germany

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