Stibiotantalite and Vivianite Physical Properties

Stibiotantalite

Vivianite

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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 Available2.64-2.70

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

{???} Perfect

{010} Perfect

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Stibiotantalite and Vivianite Chemical Formula

While comparing Stibiotantalite and Vivianite 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 Vivianite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Stibiotantalite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.