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Bastnasite
Bastnasite

Pyromorphite
Pyromorphite



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Bastnasite
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Pyromorphite

Bastnasite and Pyromorphite 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
-
-
6.5-7.1
Uneven, Conchoidal
Imperfect- [10 1 1]
3.5-4
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Bastnasite and Pyromorphite Chemical Formula

While comparing Bastnasite and Pyromorphite 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 Pyromorphite chemical formula.

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Bastnasite and Pyromorphite Specific Gravity

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