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Sardonyx
Sardonyx

Amethyst
Amethyst



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Sardonyx
X
Amethyst

Sardonyx and Amethyst Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.
 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2

Sardonyx and Amethyst Chemical Formula

While comparing Sardonyx 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 Sardonyx and Amethyst chemical formula.

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Sardonyx and Amethyst Specific Gravity

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