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Ammolite
Ammolite

Andalusite
Andalusite



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Ammolite
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Andalusite

Ammolite and Andalusite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.75-2.80
Uneven, Granular
no true cleavage
4
CaCO3
 
-
-
-
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

Ammolite and Andalusite Chemical Formula

While comparing Ammolite 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 Ammolite and Andalusite chemical formula.

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Ammolite and Andalusite Specific Gravity

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