Lemon Topaz Rs. 200.00 Per Ratti.
Category : Silicate mineral
Crystal symmetry : Orthorhombic dipyramidal
Chemical formula : Al2SiO4(F,OH)2
Strunz classification : 9.AF.35
Color : Colorless, blue, brown, orange, gray, yellow, green, pink and reddish pink
Crystal system : Orthorhombic
Crystal habit : Prismatic crystals with faces striated parallel to long dimension; also columnar, compact, massive
Mohs scale hardness : 8 (defining mineral)
Luster : Vitreous
Streak : White
Specific gravity : 3.49–3.57
Diaphaneity : Transparent
Optical properties : Biaxial (+)
Refractive index : 1.606–1.629, 1.609–1.631, 1.616–1.638
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