General Information:
Chemical Formula:(Au,Ag)2Te4
Composition:(Molecular Weight = 429.89 gm)Silver 6.27 %
AgTellurium 59.36 %
TeGold 34.36 %
Au Empirical Formula: Au0.75Ag0.25Te2
Name Origin:Named after Transylvania.
Physical Properties: Cleavage:[010] Perfect
Color:yellowish silver white or white.
Density:7.9 - 8.3, Average = 8.1
Diaphaniety:Opaque
Habits:Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Skeletal - Crystals form crude outlines with missing faces., Platy - Sheet forms (e.g. micas).
Hardness:1.5-2 - Talc-Gypsum
Luminescence:None.
Luster:Metallic
Streak:steel gray
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