Anorthoclase and Lazurite Physical Properties

Anorthoclase

Lazurite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.56-2.622.75

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

From the Greek for oblique and fracture, descriptive of the cleavage

Imperfect on {110}

1.7 Mohs Hardness

6-6.55.5

2 10

1.8 Chemical Composition

(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Anorthoclase and Lazurite Chemical Formula

While comparing Anorthoclase 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 Anorthoclase and Lazurite chemical formula.

Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Compare Colorless Gems

Anorthoclase Vs Black Opal

Anorthoclase Vs Beryllonite

Anorthoclase Vs Beryl

Anorthoclase and Lazurite Specific Gravity

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