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Amethyst
Amethyst

Rubellite
Rubellite



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Amethyst
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Rubellite

Amethyst and Rubellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2
 
-
-
-
3.01-3.06
Conchoidal
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.

Amethyst and Rubellite Chemical Formula

While comparing Amethyst and Rubellite 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 Amethyst and Rubellite chemical formula.

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Amethyst and Rubellite Specific Gravity

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