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0 item @ $0.00  

Sylvanite

#51851

Sylvanite

#51851
Availability
Sold
Size
10 x 7 x 4 cm - Cabinet 
Formula
AgAuTe4 (RRUFF)
Locality
Cripple Creek dist., Teller Co., Colorado, United States
Tagged
ore mineral , tellurium , silver , gold

This is an amazing specimen with an area of 7x5cm covered in platy gold Sylvanite crystals, many of which are no less than 3mm in size. There are around 10 crystals of this magnitude and many more smaller than 3mm.

Cripple Creek is one of the major telluride mineral producing localities in the world. 

Sylvanite

Formula
AgAuTe4 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Skeletal, Platy 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
yellowish silver white, white 
Streak
steel gray 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
1.5-2 

Data courtesy of Webmineral.

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