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Sylvite
Sylvite

Lazulite
Lazulite



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Sylvite
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Lazulite

Sylvite and Lazulite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.9933.04-3.17
Amber
1 7.18
1.5 Fracture
Uneven, Brittle
Uneven, Uneven, Gemstones of the world (2001) More from other references
1.6 Cleavage
Perfect on [100], [010], [001]
{001} Indistinct, {???} Indistinct
1.7 Mohs Hardness
2.55.5
Amber
2 10
1.8 Chemical Composition
Not Available
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Sylvite and Lazulite Chemical Formula

While comparing Sylvite and Lazulite 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 Sylvite and Lazulite chemical formula.

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  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Sylvite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.