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Sardonyx
Sardonyx

Tanzanite
Tanzanite



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Sardonyx
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Tanzanite

Sardonyx and Tanzanite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Hard
1.4 Specific Gravity
2.55-2.70
3.35
1.5 Fracture
Not Available
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Not Available
Perfect {010}, imperfect {100}
1.7 Mohs Hardness
6.5-7
6.5-7
1.8 Chemical Composition
SiO 2Ulrich Henn and Claudio C.
Ca2Al3(SiO4)3(OH)

Sardonyx and Tanzanite Chemical Formula

While comparing Sardonyx and Tanzanite 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 Sardonyx and Tanzanite chemical formula.

  • Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)

Sardonyx and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.35 whereas that of Tanzanite is 3.35.

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