Spinel and Aquamarine Physical Properties

Spinel

Aquamarine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.662.66-2.80

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

None, but may exhibit slight parting

3,1 basal

1.7 Mohs Hardness

87.5-8

2 10

1.8 Chemical Composition

MgAl₂O₄

Be₃Al₂SiO₆

Spinel and Aquamarine Chemical Formula

While comparing Spinel 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 Spinel and Aquamarine chemical formula.

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

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Spinel and Aquamarine Specific Gravity

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