Arsenic sulfide

Arsenic sulfide may refer to:

• Arsenic trisulfide, As₂S₃, the mineral orpiment
• Tetraarsenic tetrasulfide, As₄S₄, the mineral realgar
• Tetraarsenic trisulfide, As₄S₃, occurs as the minerals α- and β- dimorphite
• Tetraarsenic pentasulfide, As₄S₅, similar structure to phosphorus pentasulfide (β-P₄S₅)