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Iolite
Iolite

Sanidine
Sanidine



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Iolite
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Sanidine

Iolite and Sanidine Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.6-2.7
-
3,1
7-7.5
Mg2Al4Si5O18
 
-
-
-
2.54-2.61
Uneven
{001} Perfect, {010} Good
6
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Iolite and Sanidine Chemical Formula

While comparing Iolite and Sanidine 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 Iolite and Sanidine chemical formula.

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Iolite and Sanidine Specific Gravity

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