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Kyanite
Kyanite

Lepidocrocite
Lepidocrocite



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Kyanite
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Lepidocrocite

Kyanite and Lepidocrocite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.53-3.654
1 7.18
👆🏻

Fracture

Splintery
Uneven

Cleavage

[100] perfect [010] imperfect with 79° angle between
{010} Perfect

Mohs Hardness

4-75
2 10
👆🏻

Chemical Composition

Al2SiO5
FeO(OH)

Kyanite and Lepidocrocite Chemical Formula

While comparing Kyanite 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 Kyanite and Lepidocrocite chemical formula.

  • Chemical formula of Kyanite- Al2SiO5
  • Chemical formula of Lepidocrocite- FeO(OH)

Kyanite and Lepidocrocite Specific Gravity

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