Lazulite and Topazolite Physical Properties

Lazulite

Topazolite

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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

3.04-3.173.70-4.10

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{001} Indistinct, {???} Indistinct

Not Available

1.7 Mohs Hardness

5.56.5-7

2 10

1.8 Chemical Composition

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

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

Lazulite and Topazolite Chemical Formula

While comparing Lazulite and Topazolite 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 Topazolite 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 Topazolite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Lazulite and Topazolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Topazolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Topazolite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 3.70-4.10 whereas that of Topazolite is 3.70-4.10.