Andradite Garnet and Verdelite Physical Properties

Andradite Garnet

Verdelite

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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

3.8-3.92.90-3.40

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

6.5-7.57-7.5

2 10

1.8 Chemical Composition

Ca₃Fe³⁺₂Si₃O₁₂

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Andradite Garnet and Verdelite Chemical Formula

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

Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂
Chemical formula of Verdelite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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Andradite Garnet and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite Garnet and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite Garnet and Verdelite Optical Properties during the identification of gemstone. Specific gravity of Andradite Garnet is 2.90-3.40 whereas that of Verdelite is 2.90-3.40.