Lazurite and Marialite Physical Properties

Lazurite

Marialite

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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

2.752.50

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Imperfect on {110}

Distinct on {100} and {110}

1.7 Mohs Hardness

5.55.5-6

2 10

1.8 Chemical Composition

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

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Lazurite and Marialite Chemical Formula

While comparing Lazurite and Marialite 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 Marialite chemical formula.

Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

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Lazurite and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 2.50 whereas that of Marialite is 2.50.