Aquamarine and Andradite Physical Properties

Aquamarine

Andradite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.66-2.803.70-4.10

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

3,1 basal

none

1.7 Mohs Hardness

7.5-86.5-7

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Aquamarine and Andradite Chemical Formula

While comparing Aquamarine and Andradite 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 Aquamarine and Andradite chemical formula.

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

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Aquamarine and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aquamarine and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aquamarine and Andradite Optical Properties during the identification of gemstone. Specific gravity of Aquamarine is 3.70-4.10 whereas that of Andradite is 3.70-4.10.