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Anhydrite
Anhydrite

Precious Opal
Precious Opal



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Anhydrite
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Precious Opal

Anhydrite and Precious Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.90-2.98
Conchoidal
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
3.5
CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Anhydrite and Precious Opal Chemical Formula

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

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Anhydrite and Precious Opal Specific Gravity

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