Attractive discounts on selected Gems just contact us with the ref No. of the interested items: Hotline: 0094 714920402 Email: realitylanka06@gmail.com
(Apart from the items listed a wide range of Gems & jewelry could be arranged to be viewed practically from reputed institutions, if required) TOPAZ
Topaz is a silicate mineral of aluminum and fluorine with the chemical formula Al2SiO4(F, ... Mohs scale hardness, 8 (defining mineral). Luster, Vitreous. Crystal system: Orthorhombic Crystal habit: Prismatic crystal Crystal class: Dipyramidal (mmm); H-M symbol: ... Optical properties: Biaxial (+)
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