Gaspeite and Lazurite Physical Properties

Gaspeite

Lazurite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

HCl soluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.712.75

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{10 1 1} Good

Imperfect on {110}

1.7 Mohs Hardness

4.5-55.5

2 10

1.8 Chemical Composition

(Ni,Mg,Fe++)CO3

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

Gaspeite and Lazurite Chemical Formula

While comparing Gaspeite 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 Gaspeite and Lazurite chemical formula.

Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3
Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

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Gaspeite and Lazurite Specific Gravity

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