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Crystal Opal
Crystal Opal

Grossular
Grossular



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Crystal Opal
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Grossular

Crystal Opal and Grossular 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.
 
-
-
-
3.55-3.73
Conchoidal, Uneven
none
7-7.5
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Crystal Opal and Grossular Chemical Formula

While comparing Crystal Opal and Grossular 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 Grossular chemical formula.

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Crystal Opal and Grossular Specific Gravity

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