Brazilianite and Kornerupine Physical Properties

Brazilianite

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

2.98-2.993.25-3.45

1 7.18

1.5 Fracture

Conchoidal, Gems

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

1.6 Cleavage

(010) Distinct to good

Good on {110}

1.7 Mohs Hardness

5.56.5

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Brazilianite and Kornerupine Chemical Formula

While comparing Brazilianite 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 Brazilianite and Kornerupine chemical formula.

Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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 Green Gemstones

Brazilianite Vs Chalcopyrite

Brazilianite Vs Chlorastrolite

Brazilianite Vs Chlorapatite

Brazilianite and Kornerupine Specific Gravity

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