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Pyrope
Pyrope

Sylvite
Sylvite



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Pyrope
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Sylvite

Pyrope and Sylvite Physical Properties

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Physical Properties

Tenacity

-
Brittle

Solubility

insoluble in water
Soluble

Durability

-
-

Specific Gravity

3.62-3.871.993
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

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

Pyrope and Sylvite Chemical Formula

While comparing Pyrope 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 Pyrope and Sylvite chemical formula.

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

Pyrope and Sylvite Specific Gravity

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