Swiss store Blue Natural Faceted Topaz Gemstone for Jewelry making 17.31 ct Emerald Cut from Brazil Ring Earring Pendant Necklace Bracelet
Swiss store Blue Natural Faceted Topaz Gemstone for Jewelry making 17.31 ct Emerald Cut from Brazil Ring Earring Pendant Necklace Bracelet, Stone: TopazTotal Carat Weight: 1731 ctOrigin: Brazil Shape: EmeraldColor: Swiss Blue Treatment: IrradiatedTransparency/Brightness: TransparentSealed: No-Species: TopazVariety:.
Product code: Swiss store Blue Natural Faceted Topaz Gemstone for Jewelry making 17.31 ct Emerald Cut from Brazil Ring Earring Pendant Necklace Bracelet
Stone: Topaz
Total Carat Weight: 17.31 ct
Origin: Brazil
Shape: Emerald
Color: Swiss Blue
Treatment: Irradiated
Transparency/Brightness: Transparent
Sealed: No
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Species: Topaz
Variety: Blue Topaz
Color: Swiss Blue
Shape store and Cutting Style: Emerald
Measurements: 17.36 x 10.66 x 9.13 mm
Carat Weight: 17.31 ct
Transparency: Transparent
Chemical Composition: Al2SiO4(F,OH)2
Crystal Structure: Prismatic crystal
Mohs Hardness: 8.0
Specific Gravity: 3.50 - 3.57 g/cm3
Index: 1610 - 1617
Birefringence: 0.008 - 0.010