Halite and Lazulite Physical Properties

Halite

Lazulite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Water-soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.173.04-3.17

1 7.18

1.5 Fracture

Conchoidal, Brittle, Metallic

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

1.6 Cleavage

Perfect {001}, three directions cubic

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

2.0-2.55.5

2 10

1.8 Chemical Composition

NaCl

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

Halite and Lazulite Chemical Formula

While comparing Halite 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 Halite and Lazulite chemical formula.

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

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Halite and Lazulite Specific Gravity

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