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Anglesite
Anglesite

Sillimanite
Sillimanite



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Anglesite
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Sillimanite

Anglesite and Sillimanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
6.30-6.39
Conchoidal
[001] good, [210] distinct
3-3.5
PbSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
 
Tough
-
-
3.20-3.26
Splintery
{010} perfect
6-7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

Anglesite and Sillimanite Chemical Formula

While comparing Anglesite 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 Anglesite and Sillimanite chemical formula.

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Anglesite and Sillimanite Specific Gravity

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