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Crystal Opal
Crystal Opal

Star Ruby
Star Ruby



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Crystal Opal
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Star Ruby

Crystal Opal and Star Ruby Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.97-2.22
Conchoidal
None
5.5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
-
-
-
3.95-4.10
Uneven
None
-9999
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Crystal Opal and Star Ruby Chemical Formula

While comparing Crystal Opal and Star Ruby physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Crystal Opal and Star Ruby chemical formula.

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Crystal Opal and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Opal and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Opal Vs Star Ruby during the identification of gemstone. Specific gravity of Crystal Opal is whereas that of Star Ruby is .