Stibiotantalite and Omphacite Physical Properties

Stibiotantalite

Omphacite

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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 Available3.16-3.43

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{???} Perfect

{110} Good, {110} Good

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Stibiotantalite and Omphacite Chemical Formula

While comparing Stibiotantalite and Omphacite 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 Omphacite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

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Stibiotantalite and Omphacite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.