Lazulite and Halite Physical Properties

Lazulite

Halite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.172.17

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones of the world (2001) More from other references

Conchoidal, Brittle, Metallic

1.6 Cleavage

{001} Indistinct, {???} Indistinct

Perfect {001}, three directions cubic

1.7 Mohs Hardness

5.52.0-2.5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

NaCl

Lazulite and Halite Chemical Formula

While comparing Lazulite and Halite 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 Halite chemical formula.

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

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Lazulite and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Halite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 2.17 whereas that of Halite is 2.17.