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Staurolite
Staurolite

Chrysoprase
Chrysoprase



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Staurolite
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Chrysoprase

Staurolite and Chrysoprase Physical Properties

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
3.7-3.8
2.58-2.64
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Gems, Sixth Edition (2006)
1.6 Cleavage
Distinct on {010}
None
1.7 Mohs Hardness
7-7.5
6.5-7
1.8 Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
SiO2 (with a high level of nickel impurities )

Staurolite and Chrysoprase Chemical Formula

While comparing Staurolite and Chrysoprase 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 Staurolite and Chrysoprase chemical formula.

  • Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
  • Chemical formula of Chrysoprase- SiO2 (with a high level of nickel impurities )

Staurolite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.