Hibschite and Lazurite Physical Properties

Hibschite

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

3.05-3.082.75

1 7.18

1.5 Fracture

Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle

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

1.6 Cleavage

None

Imperfect on {110}

1.7 Mohs Hardness

6.55.5

2 10

1.8 Chemical Composition

Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

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

Hibschite and Lazurite Chemical Formula

While comparing Hibschite 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 Hibschite and Lazurite chemical formula.

Chemical formula of Hibschite- Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

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Hibschite and Lazurite Specific Gravity

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