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Ammolite
Ammolite

Sillimanite
Sillimanite



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Ammolite
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Sillimanite

Ammolite and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.75-2.80
Uneven, Granular
no true cleavage
4
CaCO3
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Ammolite and Sillimanite Chemical Formula

While comparing Ammolite 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 Ammolite and Sillimanite chemical formula.

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Ammolite and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ammolite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ammolite Vs Sillimanite during the identification of gemstone. Specific gravity of Ammolite is whereas that of Sillimanite is .