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Sylvite
Sylvite

Amethyst
Amethyst



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Sylvite
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Amethyst

Sylvite and Amethyst Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
insoluble in common solvents

Durability

-
-

Specific Gravity

1.9932.65
1 7.18
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Fracture

Uneven
Conchoidal, ConchoidalWalter Schumann

Cleavage

Perfect on [100], [010], [001]
Indiscernible

Mohs Hardness

2.57
2 10
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Chemical Composition

KCl
SiO2

Sylvite and Amethyst Chemical Formula

While comparing Sylvite 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 Sylvite and Amethyst chemical formula.

  • Chemical formula of Sylvite- KCl
  • Chemical formula of Amethyst- SiO2

Sylvite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 2.65 whereas that of Amethyst is 2.65.