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Weloganite
Weloganite

Staurolite
Staurolite



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Weloganite
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Staurolite

Weloganite and Staurolite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.20-3.223.7-3.8
1 7.18
👆🏻

Fracture

Conchoidal
Subconchoidal, Conchoidal

Cleavage

Perfect on pseudo {0001}
Distinct on {010}

Mohs Hardness

37-7.5
2 10
👆🏻

Chemical Composition

Na2SrZrSi6O17(OH)3·3H2O
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Weloganite and Staurolite Chemical Formula

While comparing Weloganite 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 Weloganite and Staurolite chemical formula.

  • Chemical formula of Weloganite- Na2SrZrSi6O17(OH)3·3H2O
  • Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Weloganite and Staurolite Specific Gravity

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