Nephrite and Aquamarine Physical Properties

Nephrite

Aquamarine

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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

2.90-3.102.66-2.80

1 7.18

1.5 Fracture

Splintery, Granular, Splintery, Granular, Gemstones (2009)

Not Available

1.6 Cleavage

Not Available

3,1 basal

1.7 Mohs Hardness

6-6.57.5-8

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Be₃Al₂SiO₆

Nephrite and Aquamarine Chemical Formula

While comparing Nephrite 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 Nephrite and Aquamarine chemical formula.

Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Aquamarine- Be₃Al₂SiO₆

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Nephrite and Aquamarine Specific Gravity

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