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Staurolite
Staurolite

Lepidocrocite
Lepidocrocite



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Staurolite
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Lepidocrocite

Staurolite and Lepidocrocite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.7-3.84
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Uneven

Cleavage

Distinct on {010}
{010} Perfect

Mohs Hardness

7-7.55
2 10
👆🏻

Chemical Composition

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

Staurolite and Lepidocrocite Chemical Formula

While comparing Staurolite and Lepidocrocite 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 Lepidocrocite chemical formula.

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

Staurolite and Lepidocrocite Specific Gravity

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