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Lazulite
Lazulite

Piemontite
Piemontite



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Lazulite
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Piemontite

Lazulite and Piemontite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.04-3.17
Uneven
{001} Indistinct, {???} Indistinct
5.5
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
 
Brittle
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)

Lazulite and Piemontite Chemical Formula

While comparing Lazulite 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 Lazulite and Piemontite chemical formula.

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Lazulite and Piemontite Specific Gravity

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