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Andesine
Andesine

Staurolite
Staurolite



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Andesine
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Staurolite

Andesine and Staurolite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.693.7-3.8
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Perfect on {001}, good on {010}
Distinct on {010}
1.7 Mohs Hardness
6-6.57-7.5
Amber
2 10
1.8 Chemical Composition
(Na,Ca)Al1-2Si3-2O8
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Andesine and Staurolite Chemical Formula

While comparing Andesine and Staurolite 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 Andesine and Staurolite chemical formula.

  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Andesine and Staurolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Andesine is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.