Iddingsite and Kornerupine Physical Properties

Iddingsite

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

2.5-2.83.25-3.45

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{???} Perfect

Good on {110}

1.7 Mohs Hardness

36.5

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

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

Iddingsite and Kornerupine Chemical Formula

While comparing Iddingsite 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 Iddingsite and Kornerupine chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
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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Iddingsite and Kornerupine Specific Gravity

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