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Achroite
Achroite

Sardonyx
Sardonyx



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Achroite
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Sardonyx

Achroite and Sardonyx Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.40
Uneven, ConchoidalWalter Schumann
Indiscernible
7-7.5
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Achroite and Sardonyx Chemical Formula

While comparing Achroite and Sardonyx 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 Achroite and Sardonyx chemical formula.

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Achroite and Sardonyx Specific Gravity

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