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Aguilarite Naumannite & Electrum

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SKY548889

Aguilarite Naumannite & Electrum

Rare Mineral

Description Tabs

Description
Locality: 
Ken Snyder Mine, Gold Circle District, Elko County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.2 × 1 cm
Description

Very small black metallic crystals of the very rare silver selenium mineral aguilarite associated to black naumannite and electrum (photo 8), all of them in a contrasting white matrix.

Mineral Data
What's on the rock

Aguilarite

Formula: 
Ag4SeS
Strunz: 
2.BA.55
Crystal System: 
Orthorhombic
Hardness: 
2.5
Type Locality: 
San Carlos Mine, La Luz, Mun. de Guanajuato, Guanajuato, Mexico

Naumannite

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

Electrum

Variety Of: 

Gold

Formula: 
Au
Strunz: 
1.AA.05
Hardness: 
2.5 - 3.0
Formula: 
(Au, Ag)
Strunz: 
1.AA.05
Hardness: 
0.0

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