Cassiterite and Lazulite Physical Properties

Cassiterite

Lazulite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.033.04-3.17

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

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

1.6 Cleavage

{100} imperfect, {110} indistinct; partings on {111} or {011}

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

6-75.5

2 10

1.8 Chemical Composition

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Cassiterite and Lazulite Chemical Formula

While comparing Cassiterite 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 Cassiterite and Lazulite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Cassiterite and Lazulite Specific Gravity

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