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Staurolite
Staurolite

Rosasite
Rosasite



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Staurolite
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Rosasite

Staurolite and Rosasite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Effervesces in cold
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.7-3.84-4.2
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Splintery
1.6 Cleavage
Distinct on {010}
Perfect on {100} and {010}
1.7 Mohs Hardness
7-7.54
Amber
2 10
1.8 Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Not Available

Staurolite and Rosasite Chemical Formula

While comparing Staurolite and Rosasite 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 Rosasite chemical formula.

  • Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
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Staurolite and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 4-4.2 whereas that of Rosasite is 4-4.2.