Pleonaste and Kornerupine Physical Properties

Pleonaste

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

3.803.25-3.45

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

Good on {110}

1.7 Mohs Hardness

86.5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

Pleonaste and Kornerupine Chemical Formula

While comparing Pleonaste 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 Pleonaste and Kornerupine chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
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 Blue Gemstones

Pleonaste Vs Pyrophyllite

Pleonaste Vs Rubellite

Pleonaste Vs Rock Crystal

Pleonaste and Kornerupine Specific Gravity

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