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Lazulite
Lazulite

Sylvite
Sylvite



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Lazulite
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Sylvite

Lazulite and Sylvite Physical Properties

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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
Soluble
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl

Lazulite and Sylvite Chemical Formula

While comparing Lazulite and Sylvite 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 Sylvite chemical formula.

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Lazulite and Sylvite Specific Gravity

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