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Iddingsite
Iddingsite

Andradite
Andradite



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Iddingsite
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Andradite

Iddingsite and Andradite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.5-2.8
-
{???} Perfect
3
MgO.Fe2O3.3SiO2•4(H2O)
 
Brittle
-
-
3.70-4.10
Conchoidal, Uneven
none
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Iddingsite and Andradite Chemical Formula

While comparing Iddingsite 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 Iddingsite and Andradite chemical formula.

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Iddingsite and Andradite Specific Gravity

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