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Pyrope Almandine
Pyrope Almandine

Sillimanite
Sillimanite



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Pyrope Almandine
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Sillimanite

Pyrope Almandine 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
3.62-4.203.20-3.26
Amber
1 7.18
1.5 Fracture
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
Splintery
1.6 Cleavage
Not Available
{010} perfect
1.7 Mohs Hardness
7-7.56-7.5
Amber
2 10
1.8 Chemical Composition
(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrope Almandine and Sillimanite Chemical Formula

While comparing Pyrope Almandine 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 Almandine and Sillimanite chemical formula.

  • Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
  • Chemical formula of Sillimanite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrope Almandine and Sillimanite Specific Gravity

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