Holmquistite and Stibiotantalite Physical Properties

Holmquistite

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

2.95-3.13Not Available

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{210} Perfect

{???} Perfect

1.7 Mohs Hardness

5-65.5-6

2 10

1.8 Chemical Composition

Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

SbTaO 4Ulrich Henn and Claudio C.

Holmquistite and Stibiotantalite Chemical Formula

While comparing Holmquistite 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 Holmquistite and Stibiotantalite chemical formula.

Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

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Holmquistite and Stibiotantalite Specific Gravity

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