AURUM nativum (gold native) united to copper.

Native.

§ 147.

AURUM nativum (gold native) united to ſilver and copper.

Native.

§ 148.

AURUM nativum (gold native) united to ſilver, copper, and iron.

Native.

§ 149.

AURUM (gold), mineralized by ſulphur, by means of iron.