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Andradite
Andradite

Forsterite
Forsterite



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Andradite
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Forsterite

Andradite and Forsterite 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)
 
-
-
-
3.23-3.26
Conchoidal
Perfect on {010} imperfect on {100}
6.5-7
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Andradite and Forsterite Chemical Formula

While comparing Andradite and Forsterite 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 Forsterite chemical formula.

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Andradite and Forsterite Specific Gravity

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