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Staurolite
Staurolite

Bronzite
Bronzite



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Staurolite
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Bronzite

Staurolite and Bronzite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.7-3.83.35
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
-

Cleavage

Distinct on {010}
None

Mohs Hardness

7-7.55.5
2 10
👆🏻

Chemical Composition

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
(Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.

Staurolite and Bronzite Chemical Formula

While comparing Staurolite and Bronzite 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 Bronzite chemical formula.

  • Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
  • Chemical formula of Bronzite- (Mg,Fe) 2Si 2O 6Ulrich Henn and Claudio C.

Staurolite and Bronzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Bronzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Bronzite Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 3.35 whereas that of Bronzite is 3.35.