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Bastnasite
Bastnasite

Sellaite
Sellaite



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Bastnasite
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Sellaite

Bastnasite and Sellaite 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
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.

Bastnasite and Sellaite Chemical Formula

While comparing Bastnasite and Sellaite 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 Sellaite chemical formula.

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Bastnasite and Sellaite Specific Gravity

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