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Fluorapatite
Fluorapatite

Andradite
Andradite



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Fluorapatite
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Andradite

Fluorapatite and Andradite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.1-3.25
Uneven
Indistinct
5
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
 
Brittle
-
-
3.70-4.10
Conchoidal, Uneven
none
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Fluorapatite and Andradite Chemical Formula

While comparing Fluorapatite 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 Fluorapatite and Andradite chemical formula.

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Fluorapatite and Andradite Specific Gravity

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