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Jet
Jet

Lazulite
Lazulite



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Jet and Lazulite Physical Properties

Jet
Jet
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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
1.19-1.353.04-3.17
Amber
1 7.18
1.5 Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Uneven, Uneven, Gemstones of the world (2001) More from other references
1.6 Cleavage
Not Available
{001} Indistinct, {???} Indistinct
1.7 Mohs Hardness
2.5-45.5
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

Jet and Lazulite Chemical Formula

While comparing Jet 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 Jet 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

Jet and Lazulite Specific Gravity

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