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Kurnakovite
Kurnakovite

Staurolite
Staurolite



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Kurnakovite
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Staurolite

Kurnakovite and Staurolite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

Soluble
-

Durability

-
-

Specific Gravity

1.847-1.8523.7-3.8
1 7.18
👆🏻

Fracture

Conchoidal
Subconchoidal, Conchoidal

Cleavage

Poor to indistinct on {010}
Distinct on {010}

Mohs Hardness

2-37-7.5
2 10
👆🏻

Chemical Composition

Ca3Al3(SiO4)3(OH)
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Kurnakovite and Staurolite Chemical Formula

While comparing Kurnakovite 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 Kurnakovite and Staurolite chemical formula.

  • Chemical formula of Kurnakovite- Ca3Al3(SiO4)3(OH)
  • Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

Kurnakovite and Staurolite Specific Gravity

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