Stibiotantalite and Kornerupine Physical Properties

Stibiotantalite

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

Not Available3.25-3.45

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

{???} Perfect

Good on {110}

1.7 Mohs Hardness

5.5-66.5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

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

Stibiotantalite and Kornerupine Chemical Formula

While comparing Stibiotantalite 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 Stibiotantalite and Kornerupine chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Stibiotantalite and Kornerupine Specific Gravity

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