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Sapphire
Sapphire

Pleonaste
Pleonaste



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Sapphire
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Pleonaste

Sapphire and Pleonaste 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
3.95-4.033.80
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Not Available
1.6 Cleavage
None, but may exhibit parting
Not Available
1.7 Mohs Hardness
98
Amber
2 10
1.8 Chemical Composition
Al 2 O 3
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Sapphire and Pleonaste Chemical Formula

While comparing Sapphire and Pleonaste 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 Pleonaste chemical formula.

  • Chemical formula of Sapphire- Al 2 O 3
  • Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Sapphire and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.80 whereas that of Pleonaste is 3.80.