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Almandine
Almandine

Sylvite
Sylvite



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Almandine
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Sylvite

Almandine and Sylvite Physical Properties

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Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.95-4.301.993
1 7.18
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Fracture

Conchoidal
Uneven

Cleavage

none
Perfect on [100], [010], [001]

Mohs Hardness

7-7.52.5
2 10
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Chemical Composition

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
KCl

Almandine and Sylvite Chemical Formula

While comparing Almandine and Sylvite 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 Almandine and Sylvite chemical formula.

  • Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  • Chemical formula of Sylvite- KCl

Almandine and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 1.993 whereas that of Sylvite is 1.993.