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Girasol
Girasol

Onyx
Onyx



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Girasol
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Onyx

Girasol and Onyx Physical Properties

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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
1.98-2.502.55-2.70
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Not Available
1.6 Cleavage
Not Available
Indiscernible
1.7 Mohs Hardness
5.5-6.56.5-7
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
SiO2

Girasol and Onyx Chemical Formula

While comparing Girasol and Onyx 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 Girasol and Onyx chemical formula.

  • Chemical formula of Girasol- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  • Chemical formula of Onyx- SiO2

Girasol and Onyx Specific Gravity

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