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Hardystonite
Hardystonite

Opal
Opal



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Hardystonite
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Opal

Hardystonite and Opal Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.396-3.443
-
[001] good, [100] and [110] fair
3-4
Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Hardystonite and Opal Chemical Formula

While comparing Hardystonite and 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 Hardystonite and Opal chemical formula.

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Hardystonite and Opal Specific Gravity

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