Tantalite and Precious Opal Physical Properties

Tantalite

Precious Opal

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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

5.21.98-2.25

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

Good in one direction

Not Available

1.7 Mohs Hardness

6-6.55-6.5

2 10

1.8 Chemical Composition

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

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Tantalite and Precious Opal Chemical Formula

While comparing Tantalite and Precious Opal 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 Precious Opal chemical formula.

Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

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Tantalite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.