Polyhalite and Stibiotantalite Physical Properties

Polyhalite

Stibiotantalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78Not Available

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

Perfect on {10 1 }; parting on {010}

{???} Perfect

1.7 Mohs Hardness

3.55.5-6

2 10

1.8 Chemical Composition

Not Available

SbTaO 4Ulrich Henn and Claudio C.

Polyhalite and Stibiotantalite Chemical Formula

While comparing Polyhalite 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 Polyhalite and Stibiotantalite chemical formula.

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

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Polyhalite and Stibiotantalite Specific Gravity

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