Imperial Topaz and Lazurite Physical Properties

Imperial Topaz

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

3.49-3.572.75

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Not Available

Imperfect on {110}

1.7 Mohs Hardness

85.5

2 10

1.8 Chemical Composition

Not Available

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

Imperial Topaz and Lazurite Chemical Formula

While comparing Imperial Topaz 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 Imperial Topaz and Lazurite chemical formula.

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

Compare Red Gemstones

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Imperial Topaz Vs Marble

Imperial Topaz Vs Mimetite

Imperial Topaz and Lazurite Specific Gravity

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