Andesine and Andradite Garnet Physical Properties

Andesine

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.693.8-3.9

1 7.18

1.5 Fracture

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

Not Available

1.6 Cleavage

Perfect on {001}, good on {010}

None

1.7 Mohs Hardness

6-6.56.5-7.5

2 10

1.8 Chemical Composition

(Na,Ca)Al_1-2Si_3-2O₈

Ca₃Fe³⁺₂Si₃O₁₂

Andesine and Andradite Garnet Chemical Formula

While comparing Andesine 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 Andesine and Andradite Garnet chemical formula.

Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Andesine and Andradite Garnet Specific Gravity

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