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Andalusite
Andalusite

Vanadinite
Vanadinite



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Andalusite
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Vanadinite

Andalusite and Vanadinite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.05-3.21
Uneven, Subconchoidal, Splintery
Good on {110}, poor on {100}
7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
 
Brittle
-
-
6.8-7.1
Uneven, Conchoidal
None
3-4
C20H36

Andalusite and Vanadinite Chemical Formula

While comparing Andalusite and Vanadinite 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 Andalusite and Vanadinite chemical formula.

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Andalusite and Vanadinite Specific Gravity

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