Friedelite and Tantalite Physical Properties

Friedelite

Tantalite

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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

3.06-3.195.2

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} Perfect

Good in one direction

1.7 Mohs Hardness

4-56-6.5

2 10

1.8 Chemical Composition

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

(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Friedelite and Tantalite Chemical Formula

While comparing Friedelite and Tantalite 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 Friedelite and Tantalite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Friedelite and Tantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Friedelite and Tantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Tantalite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 5.2 whereas that of Tantalite is 5.2.