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Precious Opal
Precious Opal

Zoisite
Zoisite



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Precious Opal
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Zoisite

Precious Opal and Zoisite 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)
 
-
-
-
3.20-3.50
Uneven, Conchoidal, Even
Perfect {010} imperfect {100}
6-7
Ca2Al3(SiO4)3(OH)

Precious Opal and Zoisite Chemical Formula

While comparing Precious Opal and Zoisite 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 Zoisite chemical formula.

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Precious Opal and Zoisite Specific Gravity

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