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Precious Opal
Precious Opal

Andesine
Andesine



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Precious Opal
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Andesine

Precious Opal and Andesine Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)
 
Brittle
-
-
2.65-2.69
Uneven, Conchoidal
Perfect on {001}, good on {010}
6-6.5
(Na,Ca)Al1-2Si3-2O8

Precious Opal and Andesine Chemical Formula

While comparing Precious Opal and Andesine 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 Precious Opal and Andesine chemical formula.

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Precious Opal and Andesine Specific Gravity

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