Grandidierite and Stibiotantalite Physical Properties

Grandidierite

Stibiotantalite

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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

2.85-3.00Not Available

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect

{???} Perfect

1.7 Mohs Hardness

7.55.5-6

2 10

1.8 Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

SbTaO 4Ulrich Henn and Claudio C.

Grandidierite and Stibiotantalite Chemical Formula

While comparing Grandidierite and Stibiotantalite 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 Grandidierite and Stibiotantalite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

Compare Green Gemstones

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Grandidierite and Stibiotantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Stibiotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Stibiotantalite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is Not Available whereas that of Stibiotantalite is Not Available.