Kornerupine and Eosphorite Physical Properties

Kornerupine

Eosphorite

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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

3.25-3.453.05-3.08

1 7.18

1.5 Fracture

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

Subconchoidal, Uneven, Conchoidal, Uneven

1.6 Cleavage

Good on {110}

Poor on {100}

1.7 Mohs Hardness

6.55

2 10

1.8 Chemical Composition

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

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Kornerupine and Eosphorite Chemical Formula

While comparing Kornerupine and Eosphorite 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 Kornerupine and Eosphorite 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
Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Kornerupine and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.