Tantalite and Celestine Physical Properties

Tantalite

Celestine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.23.90-4.00

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Good in one direction

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

6-6.53-3.5

2 10

1.8 Chemical Composition

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

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Tantalite and Celestine Chemical Formula

While comparing Tantalite and Celestine 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 Tantalite and Celestine chemical formula.

Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Tantalite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.