Arsenate, Chalcogen, Metalloid, Mechanical properties, Orthorhombic

• As-H-Mn-O
• As-Cu-H-O
• As-Cu-Fe-H-O
• As-Ca-H-O
• Al-As-K-Na-O
• elastic moduli
• isothermal bulk modulus
• hardness
• Mohs hardness
• metalloid
• pnictogen
• chalcogen
• arsenate