Aquamarine and Topaz Physical Properties

Aquamarine

Topaz

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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

2.66-2.803.49-3.57

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

3,1 basal

[001] Perfect

1.7 Mohs Hardness

7.5-88

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

Al₂SiO₄(F,OH)₂

Aquamarine and Topaz Chemical Formula

While comparing Aquamarine and Topaz 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 Topaz chemical formula.

Chemical formula of Aquamarine- Be₃Al₂SiO₆
Chemical formula of Topaz- Al₂SiO₄(F,OH)₂

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Aquamarine and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aquamarine and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aquamarine and Topaz Optical Properties during the identification of gemstone. Specific gravity of Aquamarine is 3.49-3.57 whereas that of Topaz is 3.49-3.57.