Lazulite and Andradite Garnet Physical Properties

Lazulite

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.173.8-3.9

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones of the world (2001) More from other references

Not Available

1.6 Cleavage

{001} Indistinct, {???} Indistinct

None

1.7 Mohs Hardness

5.56.5-7.5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Ca₃Fe³⁺₂Si₃O₁₂

Lazulite and Andradite Garnet Chemical Formula

While comparing Lazulite and Andradite Garnet 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 Lazulite and Andradite Garnet chemical formula.

Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Lazulite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.