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Pleonaste
Pleonaste

Andradite
Andradite



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Pleonaste and Andradite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.80
-
Indistinct
8
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
 
Brittle
-
-
3.70-4.10
Conchoidal, Uneven
none
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Pleonaste and Andradite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Andradite chemical formula.

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Pleonaste and Andradite Specific Gravity

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