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Bastnasite
Bastnasite

Thomsonite
Thomsonite



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Bastnasite
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Thomsonite

Bastnasite and Thomsonite 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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-
-
2.25-2.40
-
perfect on {010}; good on {100}
5-5.5
NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Bastnasite and Thomsonite Chemical Formula

While comparing Bastnasite and Thomsonite 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 Thomsonite chemical formula.

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Bastnasite and Thomsonite Specific Gravity

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