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Lazulite
Lazulite

Nuummite
Nuummite



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Lazulite
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Nuummite

Lazulite and Nuummite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
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
 
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-
-
3.18-3.37
Conchoidal
Perfect on 210
5.5-6
Na(Fe,Mg)7(AlSi7O22)(OH)2

Lazulite and Nuummite Chemical Formula

While comparing Lazulite and Nuummite 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 Nuummite chemical formula.

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Lazulite and Nuummite Specific Gravity

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