Avika Natural Blue Sapphire Loose Gemstone(Pack of 1 Pc.) is the birthstone. Sapphire is well known for its blue color but sapphire can actually come in many colors besides blue. Sapphire is derived from sapphires the Greek word for blue. This gemstone does produce
DISCLAIMER: No claims are made on metaphysical properties of this stone. These literature is collected from writings, books, folklore and various sources. The actual product may slightly vary from picture as these are natural stone and no two stones can same in pattern.
Chemical Formula |
Al2O3 |
Color |
White, Colorless, Blue, Green, Yellow, Orange, Brown, Pink, Purple, Gray, Black, Multicolored |
Hardness |
9 |
Crystal System |
Hexagonal |
Refractive Index |
1.76 - 1.77 |
SG |
3.9 - 4.1 |
Transparency |
Transparent to opaque |
Double Refraction |
.0008 |
Luster |
Vitreous to adamantine |
Cleavage |
None, but may exhibit parting |
Mineral Class |
Corundum |
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