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Andalusite
Andalusite

Kurnakovite
Kurnakovite



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Andalusite
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Kurnakovite

Andalusite and Kurnakovite 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
 
-
Soluble
-
1.847-1.852
Conchoidal
Poor to indistinct on {010}
2-3
Ca3Al3(SiO4)3(OH)

Andalusite and Kurnakovite Chemical Formula

While comparing Andalusite and Kurnakovite 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 Kurnakovite chemical formula.

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Andalusite and Kurnakovite Specific Gravity

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