Vivianite and Stibiotantalite Physical Properties

Vivianite

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

2.64-2.70Not Available

1 7.18

1.5 Fracture

(e.g. graphite).

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

1.6 Cleavage

{010} Perfect

{???} Perfect

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

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

SbTaO 4Ulrich Henn and Claudio C.

Vivianite and Stibiotantalite Chemical Formula

While comparing Vivianite 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 Vivianite and Stibiotantalite chemical formula.

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

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Vivianite and Stibiotantalite Specific Gravity

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