Lepidocrocite and Kornerupine Physical Properties

Lepidocrocite

Kornerupine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

43.25-3.45

1 7.18

1.5 Fracture

Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

{010} Perfect

Good on {110}

1.7 Mohs Hardness

56.5

2 10

1.8 Chemical Composition

Not Available

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Lepidocrocite and Kornerupine Chemical Formula

While comparing Lepidocrocite and Kornerupine 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 Lepidocrocite and Kornerupine chemical formula.

Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Lepidocrocite and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lepidocrocite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lepidocrocite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Lepidocrocite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.