Celestine and Tantalite Physical Properties

Celestine

Tantalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.005.2

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Good in one direction

1.7 Mohs Hardness

3-3.56-6.5

2 10

1.8 Chemical Composition

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

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

Celestine and Tantalite Chemical Formula

While comparing Celestine 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 Celestine and Tantalite chemical formula.

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

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Celestine and Tantalite Specific Gravity

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