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Pleonaste
Pleonaste

Sardonyx
Sardonyx



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Pleonaste
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Sardonyx

Pleonaste and Sardonyx Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.80
2.55-2.70
1.5 Fracture
Not Available
Not Available
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
8
6.5-7
1.8 Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
SiO 2Ulrich Henn and Claudio C.

Pleonaste and Sardonyx Chemical Formula

While comparing Pleonaste and Sardonyx 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 Pleonaste and Sardonyx chemical formula.

  • Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
  • Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

Pleonaste and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.