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Staurolite
Staurolite

Chrome-Chalcedony
Chrome-Chalcedony



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Staurolite
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Chrome-Chalcedony

Staurolite and Chrome-Chalcedony 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
3.7-3.82.55-2.70
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Not Available
1.6 Cleavage
Distinct on {010}
Not Available
1.7 Mohs Hardness
7-7.56.5-7
Amber
2 10
1.8 Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Staurolite and Chrome-Chalcedony Chemical Formula

While comparing Staurolite and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

  • Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
  • Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Staurolite and Chrome-Chalcedony Specific Gravity

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