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Pyrope Garnet
Pyrope Garnet

Sillimanite
Sillimanite



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Pyrope Garnet
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Sillimanite

Pyrope Garnet and Sillimanite Physical Properties

Physical Properties

Tenacity

-
Tough

Solubility

-
-

Durability

-
-

Specific Gravity

3.5-3.63.20-3.26
1 7.18
👆🏻

Fracture

-
Splintery

Cleavage

None
{010} perfect

Mohs Hardness

7-7.56-7.5
2 10
👆🏻

Chemical Composition

Mg3Al2Si3O12
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrope Garnet and Sillimanite Chemical Formula

While comparing Pyrope Garnet and Sillimanite 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 Garnet and Sillimanite chemical formula.

  • Chemical formula of Pyrope Garnet- Mg3Al2Si3O12
  • Chemical formula of Sillimanite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrope Garnet and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope Garnet and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Garnet and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Pyrope Garnet is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.