Lazurite and Serpentine Physical Properties

Lazurite

Serpentine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.752.44-2.62

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle

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

1.6 Cleavage

Imperfect on {110}

Not Available

1.7 Mohs Hardness

5.52.5-5.5

2 10

1.8 Chemical Composition

(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

Lazurite and Serpentine Chemical Formula

While comparing Lazurite and Serpentine 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 Lazurite and Serpentine chemical formula.

Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Chemical formula of Serpentine- H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references

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Lazurite and Serpentine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Serpentine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Serpentine Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 2.44-2.62 whereas that of Serpentine is 2.44-2.62.