Bertrandite and Stibiotantalite Physical Properties

Bertrandite

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

2.59-2.60Not Available

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

{001} Perfect, {110} Distinct, {101} Distinct

{???} Perfect

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

SbTaO 4Ulrich Henn and Claudio C.

Bertrandite and Stibiotantalite Chemical Formula

While comparing Bertrandite 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 Bertrandite and Stibiotantalite chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.

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Bertrandite and Stibiotantalite Specific Gravity

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