Pargasite and Stibiotantalite Physical Properties

Pargasite

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

3.04-3.26Not Available

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

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

1.6 Cleavage

{110} perfect

{???} Perfect

1.7 Mohs Hardness

5-65.5-6

2 10

1.8 Chemical Composition

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

SbTaO 4Ulrich Henn and Claudio C.

Pargasite and Stibiotantalite Chemical Formula

While comparing Pargasite 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 Pargasite and Stibiotantalite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

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Pargasite and Stibiotantalite Specific Gravity

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