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Nephrite
Nephrite

Amethyst
Amethyst



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Nephrite
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Amethyst

Nephrite and Amethyst Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.10
Splintery, Granular
None
6-6.5
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2

Nephrite and Amethyst Chemical Formula

While comparing Nephrite and Amethyst 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 Nephrite and Amethyst chemical formula.

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Nephrite and Amethyst Specific Gravity

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