Avika Natural Fire Opal Loose Gemstone(Pack of 1 Pc.) is a protection stone used during astral projection. There are two categories of opals - common and precious. The Precious opals are composed of three groups: white, black, and fire opal. The Opal contains the co
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 |
SiO2 · nH2O |
Color |
White, Colorless, Blue, Red, Green, Yellow, Orange, Brown, Pink, Purple, Gray, Black, Banded, Multicolored |
Hardness |
5.5 - 6.5 |
Crystal System |
Amorphous |
Refractive Index |
1.37 - 1.47 |
SG |
1.98 - 2.25 |
Transparency |
Transparent to translucent |
Double Refraction |
None |
Luster |
Vitreous, pearly, waxy |
Cleavage |
None |
Mineral Class |
Opal |
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