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Sylvanite with Calaverite & Fluorite

#51227

Sylvanite with Calaverite & Fluorite

#51227
Availability
Sold
Size
8.5 x 6 x 3 cm - Sm Cabinet 
Formula
AgAuTe4 (RRUFF)
Locality
Portland mine, Cripple Creek dist., Teller Co., Colorado, United States
Tagged
tellurium , silver , gold

Goldish crystals of Sylvanite to 1mm and less, but with fairly good coverage in mostly the purple Fluorite. Calaverite is also present as well as Pyrite (dull).

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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