Aquamarine and Common Opal Physical Properties

Aquamarine

Common Opal

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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

2.66-2.801.98-2.50

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

3,1 basal

Not Available

1.7 Mohs Hardness

7.5-85.5-6.5

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Aquamarine and Common Opal Chemical Formula

While comparing Aquamarine and Common Opal 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 Common Opal chemical formula.

Chemical formula of Aquamarine- Be₃Al₂SiO₆
Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Aquamarine and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aquamarine and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aquamarine and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Aquamarine is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.