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Amethyst
Amethyst

Shigaite
Shigaite



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Amethyst
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Shigaite

Amethyst and Shigaite Physical Properties

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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
 
Moderately flexible
-
-
2.32
-
Perfect on {0001}
2
Pb6Cu3BiS4

Amethyst and Shigaite Chemical Formula

While comparing Amethyst and Shigaite 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 Shigaite chemical formula.

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Amethyst and Shigaite Specific Gravity

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