Lazurite and Diopside Physical Properties

Lazurite

Diopside

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.753.22-3.40

1 7.18

1.5 Fracture

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

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

Imperfect on {110}

Distinct/good on {110}

1.7 Mohs Hardness

5.55-6

2 10

1.8 Chemical Composition

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

CaMgSi₂O₆

Lazurite and Diopside Chemical Formula

While comparing Lazurite and Diopside 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 Diopside chemical formula.

Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Chemical formula of Diopside- CaMgSi₂O₆

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Lazurite and Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Diopside Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 3.22-3.40 whereas that of Diopside is 3.22-3.40.