Melanite and Lazulite Physical Properties

Melanite

Lazulite

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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

3.70-4.103.04-3.17

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

6.5-75.5

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Melanite and Lazulite Chemical Formula

While comparing Melanite 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 Melanite and Lazulite chemical formula.

Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Compare Black Gemstones

Melanite Vs Quartz

Melanite Vs Proustite

Melanite Vs Pyrargyrite

Melanite and Lazulite Specific Gravity

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