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Titanium Dioxide - TiO₂

Classification: Dioxide
Atomic numbers: 22 & 8
Atomic weight: 80
Melting point (C): 1640
Boiling point (C):
Density (g/cm3): 4.18 (5.2)
Refractive index (n=): 2.6-2.9
Hardness (Mosh-scratch): 6-6.5
Crystal structure: Tetragonal-normal: (110) prism, 1st order
Color (solid): Clear-yellowish
Cleavage: Basal-distinct: (001)