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Garnet
Garnet

Sillimanite
Sillimanite



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Garnet
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Sillimanite

Garnet and Sillimanite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Tough
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.55-4.333.20-3.26
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven
Splintery
1.6 Cleavage
Indistinct
{010} perfect
1.7 Mohs Hardness
6.5-7.56-7.5
Amber
2 10
1.8 Chemical Composition
Garnet is a series of several different minerals with unique chemical formulas.
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Garnet and Sillimanite Chemical Formula

While comparing 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 Garnet and Sillimanite chemical formula.

  • Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.
  • Chemical formula of Sillimanite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Garnet and Sillimanite Specific Gravity

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