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Sapphire
Sapphire

Carnelian
Carnelian



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Sapphire
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Carnelian

Sapphire and Carnelian Physical Properties

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
3.95-4.032.58-2.64
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
None, but may exhibit parting
Absent
1.7 Mohs Hardness
96.5-7
Amber
2 10
1.8 Chemical Composition
Al 2 O 3
SiO2

Sapphire and Carnelian Chemical Formula

While comparing Sapphire and Carnelian 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 Carnelian chemical formula.

  • Chemical formula of Sapphire- Al 2 O 3
  • Chemical formula of Carnelian- SiO2

Sapphire and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.