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Sapphire
Sapphire

Nephrite
Nephrite



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Sapphire
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Nephrite

Sapphire and Nephrite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.95-4.032.90-3.10
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Splintery, Granular, Splintery, Granular, Gemstones (2009)
1.6 Cleavage
None, but may exhibit parting
Not Available
1.7 Mohs Hardness
96-6.5
Amber
2 10
2.5 Chemical Composition
Al 2 O 3
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Sapphire and Nephrite Chemical Formula

While comparing Sapphire and Nephrite 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 Sapphire and Nephrite chemical formula.

  • Chemical formula of Sapphire- Al 2 O 3
  • Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Sapphire and Nephrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Nephrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Nephrite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.90-3.10 whereas that of Nephrite is 2.90-3.10.