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Calcium Tungstate - CaWO₄

Classification: Tungstate
Atomic numbers: 20, 74, & 8
Atomic weight: 289.92
Melting point (C): >1200
Boiling point (C):
Density (g/cm3): 6.06 (5.9-6.1)R
Refractive index (n=): 1.918-1.934
Hardness (Mosh-scratch):
Crystal structure: Tetragonal-pyramidal: (111) pyramid
Color (solid): Yellow/brownish
Cleavage: Pyramidal-dstinct: p(111)