Kornerupine and Periclase Physical Properties

Kornerupine

Periclase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.453.7-3.9

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

Good on {110}

{001} perfect; {111} imperfect, may exhibit parting on , {011}

1.7 Mohs Hardness

6.55.5-6

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

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Kornerupine and Periclase Chemical Formula

While comparing Kornerupine and Periclase 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 Periclase 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 Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

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Kornerupine Vs Marble

Kornerupine Vs Ludlamite

Kornerupine and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Periclase Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 3.7-3.9 whereas that of Periclase is 3.7-3.9.