Diopside and Lazurite Physical Properties

Diopside

Lazurite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.22-3.402.75

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Distinct/good on {110}

Imperfect on {110}

1.7 Mohs Hardness

5-65.5

2 10

1.8 Chemical Composition

CaMgSi₂O₆

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

Diopside and Lazurite Chemical Formula

While comparing Diopside and Lazurite 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 Diopside and Lazurite chemical formula.

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

Compare Yellow Gemstones

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Diopside and Lazurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diopside and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diopside and Lazurite Optical Properties during the identification of gemstone. Specific gravity of Diopside is 2.75 whereas that of Lazurite is 2.75.