Aquamarine and Spinel Physical Properties

Aquamarine

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.66-2.803.64-3.66

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

3,1 basal

None, but may exhibit slight parting

1.7 Mohs Hardness

7.5-88

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

MgAl₂O₄

Aquamarine and Spinel Chemical Formula

While comparing Aquamarine and Spinel 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 Spinel chemical formula.

Chemical formula of Aquamarine- Be₃Al₂SiO₆
Chemical formula of Spinel- MgAl₂O₄

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Aquamarine and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aquamarine and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aquamarine and Spinel Optical Properties during the identification of gemstone. Specific gravity of Aquamarine is 3.64-3.66 whereas that of Spinel is 3.64-3.66.