Stibiotantalite and Friedelite Physical Properties

Stibiotantalite

Friedelite

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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 Available3.06-3.19

1 7.18

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

{???} Perfect

{010} Perfect

1.7 Mohs Hardness

5.5-64-5

2 10

1.8 Chemical Composition

SbTaO 4Ulrich Henn and Claudio C.

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Stibiotantalite and Friedelite Chemical Formula

While comparing Stibiotantalite and Friedelite 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 Friedelite chemical formula.

Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Stibiotantalite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.