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Apophyllite
Apophyllite

Andalusite
Andalusite



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Apophyllite
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Andalusite

Apophyllite and Andalusite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.30-2.50
Uneven
Perfect on (001)
4.5-5
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
 
-
-
-
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

Apophyllite and Andalusite Chemical Formula

While comparing Apophyllite 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 Apophyllite and Andalusite chemical formula.

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Apophyllite and Andalusite Specific Gravity

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