Orpiment
mineral · uncommon
Quick facts
- Formula
- As2S3
- Hardness
- 1.5–2
- Luster
- Resinous to pearly
- Colors
- Lemon-yellow to orange-yellow
Orpiment is an arsenic sulfide mineral known for its bright yellow color and association with realgar.
Identified by its bright yellow color, resinous luster, and association with arsenic minerals.
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