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Sillimanite
Sillimanite

Opal Ethiopia
Opal Ethiopia



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Sillimanite
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Opal Ethiopia

Sillimanite and Opal Ethiopia Physical Properties

1 Physical Properties
1.1 Tenacity
Tough
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.20-3.26Not Available
Amber
1 7.18
1.5 Fracture
Splintery
Not Available
1.6 Cleavage
{010} perfect
Not Available
1.7 Mohs Hardness
6-7.55.5-6.5
Amber
2 10
1.8 Chemical Composition
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Sillimanite and Opal Ethiopia Chemical Formula

While comparing Sillimanite and Opal Ethiopia 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 Opal Ethiopia chemical formula.

  • Chemical formula of Sillimanite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
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Sillimanite and Opal Ethiopia Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sillimanite and Opal Ethiopia Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sillimanite and Opal Ethiopia Optical Properties during the identification of gemstone. Specific gravity of Sillimanite is Not Available whereas that of Opal Ethiopia is Not Available.