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Dominant species
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Sylvanite
Chemical
Formula
(Ag,Au)Te2
Species
Sulfides
Crystal
System
Monoclinic
Mohs
Scale
1-2
Specific
Gravity
8.2
Color
Silver-grey, Silver-white
Streak
steel grey
Luster
Metallic
Diaphaneity
Opaque
Cleavage
Perfecton
Fracture
Irregular/Uneven
Crystal Habit:Massive to Crystalline
Geological Setting:Low temperature hydrothermal veins. Late forming mineral in medium to high temperature hydrothermal veins.
Sylvanite2339
Sylvanite2339
Sylvanite2336
Sylvanite2336
Sylvanite2330
Sylvanite2330
Sylvanite2329
Sylvanite2329
Sylvanite2326
Sylvanite2326
Sylvanite2320
Sylvanite2320
Sylvanite2318
Sylvanite2318
Sylvanite2316
Sylvanite2316
Sylvanite2313
Sylvanite2313
Sylvanite2307
Sylvanite2307
Sylvanite2300
Sylvanite2300
Sylvanite2296
Sylvanite2296
Sylvanite2291
Sylvanite2291
Sylvanite2287
Sylvanite2287
Sylvanite2282
Sylvanite2282
Sylvanite2274
Sylvanite2274
Sylvanite2273
Sylvanite2273
Sylvanite2267
Sylvanite2267
Sylvanite2263
Sylvanite2263
Sylvanite2261
Sylvanite2261
Sylvanite2259
Sylvanite2259
Sylvanite2257
Sylvanite2257
Sylvanite2254
Sylvanite2254
Sylvanite2250
Sylvanite2250
Sylvanite2246
Sylvanite2246
Sylvanite2245
Sylvanite2245
Sylvanite2239
Sylvanite2239