Andradite and Aquamarine Physical Properties

Andradite

Aquamarine

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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

3.70-4.102.66-2.80

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

none

3,1 basal

1.7 Mohs Hardness

6.5-77.5-8

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Be₃Al₂SiO₆

Andradite and Aquamarine Chemical Formula

While comparing Andradite and Aquamarine 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 and Aquamarine chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Aquamarine- Be₃Al₂SiO₆

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Andradite and Aquamarine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Aquamarine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Aquamarine Optical Properties during the identification of gemstone. Specific gravity of Andradite is 2.66-2.80 whereas that of Aquamarine is 2.66-2.80.