×

Sillimanite
Sillimanite

Magnesite
Magnesite



ADD
Compare
X
Sillimanite
X
Magnesite

Sillimanite and Magnesite Physical Properties

1 Physical Properties
1.1 Tenacity
Tough
Brittle
1.2 Solubility
Not Available
Effervesces in hot HCl
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.20-3.262.92-3.12
Amber
1 7.18
1.5 Fracture
Splintery
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
{010} perfect
[10 1 1] perfect
1.7 Mohs Hardness
6-7.53.5-4.5
Amber
2 10
1.8 Chemical Composition
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sillimanite and Magnesite Chemical Formula

While comparing Sillimanite and Magnesite 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 Sillimanite and Magnesite chemical formula.

  • Chemical formula of Sillimanite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Magnesite- MgCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sillimanite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sillimanite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sillimanite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Sillimanite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.