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Alabaster
Alabaster

Andradite
Andradite



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Alabaster
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Andradite

Alabaster and Andradite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.30
-
None
2
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
 
Brittle
-
-
3.70-4.10
Conchoidal, Uneven
none
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Alabaster and Andradite Chemical Formula

While comparing Alabaster and Andradite 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 Alabaster and Andradite chemical formula.

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Alabaster and Andradite Specific Gravity

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