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Bastnasite
Bastnasite

Andradite
Andradite



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Bastnasite
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Andradite

Bastnasite and Andradite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.95-5.0
Uneven
Imperfect to indistinct on {10 1 0}, parting on {0001}
4-5
(Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
3.70-4.10
Conchoidal, Uneven
none
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Bastnasite and Andradite Chemical Formula

While comparing Bastnasite 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 Bastnasite and Andradite chemical formula.

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Bastnasite and Andradite Specific Gravity

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