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Andradite
Andradite

Apophyllite
Apophyllite



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Andradite
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Apophyllite

Andradite and Apophyllite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.70-4.10
Conchoidal, Uneven
none
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
-
-
-
2.30-2.50
Uneven
Perfect on (001)
4.5-5
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Andradite and Apophyllite Chemical Formula

While comparing Andradite and Apophyllite 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 Andradite and Apophyllite chemical formula.

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Andradite and Apophyllite Specific Gravity

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