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Prehnite
Prehnite

Sardonyx
Sardonyx



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Prehnite
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Sardonyx

Prehnite and Sardonyx Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.80-2.952.55-2.70
Amber
1 7.18
1.5 Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Not Available
1.6 Cleavage
Distinct on [001]
Not Available
1.7 Mohs Hardness
6-6.56.5-7
Amber
2 10
1.8 Chemical Composition
Ca2Al2Si3O12(OH)
SiO 2Ulrich Henn and Claudio C.

Prehnite and Sardonyx Chemical Formula

While comparing Prehnite 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 Prehnite and Sardonyx chemical formula.

  • Chemical formula of Prehnite- Ca2Al2Si3O12(OH)
  • Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

Prehnite and Sardonyx Specific Gravity

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