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Bastnasite
Bastnasite

Feldspar
Feldspar



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Bastnasite
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Bastnasite and Feldspar 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
 
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-
-
2.56-2.75
Uneven, Conchoidal
two or three
6-6.5
KAlSi3O8

Bastnasite and Feldspar Chemical Formula

While comparing Bastnasite and Feldspar 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 Feldspar chemical formula.

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Bastnasite and Feldspar Specific Gravity

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