Dioptase and Lazurite Physical Properties

Dioptase

Lazurite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.352.75

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect in three directions

Imperfect on {110}

1.7 Mohs Hardness

55.5

2 10

1.8 Chemical Composition

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

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

Dioptase and Lazurite Chemical Formula

While comparing Dioptase 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 Dioptase and Lazurite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Compare Green Gemstones

Dioptase Vs Feldspar

Dioptase Vs Faustite

Dioptase Vs Euclase

Dioptase and Lazurite Specific Gravity

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