Native Gold |
|
Au Formula |
Muthmannite |
Very Rare Crystal. Yellow white, opaque; Perfect Cleavage. Mohs 2.5-3.5; SG 7.5-8
Dana number: 442 |
AgAuTe |
Montbrayite |
Rare telluride, and it contains ~ 50 wt% Au |
(Au,Sb)2Te3 |
Petzite |
 |
Ag3AuTe2 |
Rhodite |
Naturally occurring alloy of gold and rhodium with an SG of 15.5 – 16.8 |
AuRh |
Iridic Gold |
Natural alloy of gold and iridium containing 62% gold, 30% iridium, 4% platinum, and 2% silver. |
AuIr |
Electrum |
Hardness: 2.5-3 and Density: 12.5-15.5
|
AuAg |
Cuproauride (Tetra-auricupride) |
 |
AuCu |
Porpezite (palladium) |
Natural gold alloy containing 5-10 wt % Pd |
Au,Pb |
|
|
|
Bismuthian Gold |
White |
AuBi |
Fishchesserite |
Opaque, Pale pink in reflected light, Metallic luster |
Ag3AuSe2 |
Aurostibite (antimonides) |
 |
AuSb2 |
Uytenbogaardtite |
 |
Ag3AuSb2 |
Gold Tellurate |
Deadly Rare. UFO Rare |
Au(HTeO4)3 |
Kostovite |
 |
AuCute4 |
Nagyagite |
 |
Pb5Au(TeSb)4S5-8 |
Syvanite |
 |
AuAgTe4 |
Krennerite |
 |
AuAgTe2 |
Calaverite (gold telluride) |
 |
AuTe2 |
Rozhkovite |
Palladian variety of Auricupride |
(Cu,Pb)3Au2 |
Maldonite |
SG 15.5 with Hardness of 1.5-2 |
Au2Bi |
Auricupride |
 |
AuCu3 |
Amalgan |
Also very rare |
Au2Hg3(x) |
|
|
|
|
|
|