Lazulite and Mellite Physical Properties

Lazulite

Mellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.171.58-1.60

1 7.18

1.5 Fracture

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

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

{001} Indistinct, {???} Indistinct

{011} Imperfect

1.7 Mohs Hardness

5.52

2 10

1.8 Chemical Composition

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

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Lazulite and Mellite Chemical Formula

While comparing Lazulite and Mellite 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 Mellite 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 Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

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Lazulite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.