Edenite and Kornerupine Physical Properties

Edenite

Kornerupine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.373.25-3.45

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

Good on (110)

Good on {110}

1.7 Mohs Hardness

5-66.5

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

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

Edenite and Kornerupine Chemical Formula

While comparing Edenite 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 Edenite and Kornerupine chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Gems Found In Africa

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Edenite and Kornerupine Specific Gravity

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