Lazulite and Diamond Physical Properties

Lazulite

Diamond

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1 Physical Properties

1.1 Tenacity

Not Available

1.3 Solubility

Not Available

Soluble

2.2 Durability

Not Available

2.4 Specific Gravity

3.04-3.173.50-3.53

1 7.18

3.8 Fracture

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

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

3.9 Cleavage

{001} Indistinct, {???} Indistinct

111 (perfect in four directions)

3.10 Mohs Hardness

5.510

2 10

3.11 Chemical Composition

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

Lazulite and Diamond Chemical Formula

While comparing Lazulite and Diamond 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 Diamond 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 Diamond- C

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Lazulite and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Diamond Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 3.50-3.53 whereas that of Diamond is 3.50-3.53.