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Bastnasite
Bastnasite

Piemontite
Piemontite



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Bastnasite
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Piemontite

Bastnasite and Piemontite 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
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)

Bastnasite and Piemontite Chemical Formula

While comparing Bastnasite and Piemontite 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 Piemontite chemical formula.

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Bastnasite and Piemontite Specific Gravity

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