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Andradite
Andradite

Diaspore
Diaspore



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Andradite
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Andradite and Diaspore 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)
 
Very brittle
insoluble
-
3.30-3.40
Conchoidal
{010} perfect, {110} distinct, {100} in traces
6.5-7
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Andradite and Diaspore Chemical Formula

While comparing Andradite and Diaspore 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 Diaspore chemical formula.

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Andradite and Diaspore Specific Gravity

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