Nickeline and Lazurite Physical Properties

Nickeline

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

Not Available2.75

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Imperfect on {110}

1.7 Mohs Hardness

5-5.55.5

2 10

1.8 Chemical Composition

Not Available

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

Nickeline and Lazurite Chemical Formula

While comparing Nickeline 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 Nickeline and Lazurite chemical formula.

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

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Nickeline and Lazurite Specific Gravity

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