Grossular Garnet and Lazurite Physical Properties

Grossular Garnet

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

3.62.75

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

None

Imperfect on {110}

1.7 Mohs Hardness

6.5-7.55.5

2 10

1.8 Chemical Composition

Ca₃Al₂Si₃O₁₂

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

Grossular Garnet and Lazurite Chemical Formula

While comparing Grossular Garnet 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 Grossular Garnet and Lazurite chemical formula.

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂
Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

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Grossular Garnet and Lazurite Specific Gravity

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