Lazulite and Linarite Physical Properties

Lazulite

Linarite

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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

3.04-3.175.35

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{001} Indistinct, {???} Indistinct

Perfect on {100}, imperfect on {001}

1.7 Mohs Hardness

5.52.5

2 10

1.8 Chemical Composition

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

PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Lazulite and Linarite Chemical Formula

While comparing Lazulite and Linarite 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 Linarite 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 Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Lazulite and Linarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Linarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Linarite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 5.35 whereas that of Linarite is 5.35.