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Piemontite
Piemontite

Brazilianite
Brazilianite



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Piemontite
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Brazilianite

Piemontite and Brazilianite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)
 
-
-
-
2.98-2.99
Conchoidal
(010) Distinct to good
5.5
NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Piemontite and Brazilianite Chemical Formula

While comparing Piemontite and Brazilianite 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 Piemontite and Brazilianite chemical formula.

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Piemontite and Brazilianite Specific Gravity

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