7 types of gold ore

There are many types of natural gold ore, but there are 7 main common types

1. Calaverite: This is a type of gold ore where gold is bonded with tellurium, with the chemical formula AuTe₂.

2. Sylvanite: Another gold telluride ore that contains both gold and silver, with the formula (Ag,Au)Te₂.

3. Krennerite: Similar to calaverite but with a different structure, also with the formula AuTe₂.

4. Petzite: This ore contains both gold and silver in the form of telluride, with the formula Ag₃AuTe₂.

5. Nagyagite: A more complex gold ore containing gold, lead, antimony, and tellurium,
with the chemical formula Pb₅Au(Te,Sb)₄S₅.

6. Maldonite: A rare mineral containing gold and bismuth, with the formula Au₂Bi.
7. Native Gold: This is pure gold that exists in nature with the chemical formula Au.

These ores can appear in various forms and compositions, affecting how gold is extracted and refined.
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