Orpiment Specimen (Nevada, USA)

Brightly colored specimen of orpiment from Humboldt City, Nevada. This is an old specimen out of a vintage collection.

Geologic Information

Orpiment is an arsenic sulfide mineral, and so is toxic to humans and many other species. The name comes from the latin word "aurum" for gold and "pigmentum" for pigment, an appropriate description of its appearance.

Dimensions & Specifications

Specific Gravity: 3.49
Hardness: 1.5-2
Material: Orpiment (arsenic sulfide)
Origin: Russia