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Platinum Arsenide - PtAs₂

Classification: Arsenide
Atomic numbers: 78 & 33
Atomic weight: 345.05
Melting point (C): >800 del.
Boiling point (C):
Density (g/cm3): 10.60
Refractive index (n=):
Hardness (Mosh-scratch): 6-7
Crystal structure: Isometric-pyritohedral: (100) pseudo-cube
Color (solid): Tin-white
Cleavage: Cubic/octahedral-indistinct: (001)/(111), fracture: conchoidal