Kornerupine and Rhodolite Physical Properties

Kornerupine

Rhodolite

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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

3.25-3.453.84

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Good on {110}

none, may show indistinct parting

1.7 Mohs Hardness

6.57-7.5

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

(Mg,Fe)₃Al₂Si₃O₁₂

Kornerupine and Rhodolite Chemical Formula

While comparing Kornerupine and Rhodolite 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 Rhodolite 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 Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Kornerupine and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 3.84 whereas that of Rhodolite is 3.84.