Stibiotantalite and Dumortierite Physical Properties

Stibiotantalite

Dumortierite

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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 Available3.26-3.41

1 7.18

1.5 Fracture

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

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

{???} Perfect

Distinct on {100}, poor on {110}; parting on {001}

1.7 Mohs Hardness

5.5-67-8.5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

AlAl₆O₃BSi₃O₁₈

Stibiotantalite and Dumortierite Chemical Formula

While comparing Stibiotantalite and Dumortierite 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 Dumortierite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Stibiotantalite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.