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Vishnevite
Vishnevite

Lazulite
Lazulite



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Vishnevite
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Lazulite

Vishnevite and Lazulite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available
3.04-3.17
1.5 Fracture
Brittle, Uneven
Uneven, Uneven, Gemstones of the world (2001) More from other references
1.6 Cleavage
Perfect
{001} Indistinct, {???} Indistinct
1.7 Mohs Hardness
5-6
5.5
1.8 Chemical Composition
Not Available
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Vishnevite and Lazulite Chemical Formula

While comparing Vishnevite 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 Vishnevite 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

Vishnevite and Lazulite Specific Gravity

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