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Strontianite
Strontianite

Andalusite
Andalusite



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Strontianite
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Andalusite

Strontianite and Andalusite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.63-3.79
Uneven, Conchoidal
{110} Good
3.5
SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
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

Strontianite and Andalusite Chemical Formula

While comparing Strontianite and Andalusite 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 Strontianite and Andalusite chemical formula.

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Strontianite and Andalusite Specific Gravity

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