Tantalite and Moldavite Physical Properties

Tantalite

Moldavite

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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

5.22.32-2.38

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Good in one direction

Not Available

1.7 Mohs Hardness

6-6.55.5

2 10

1.8 Chemical Composition

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

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Tantalite and Moldavite Chemical Formula

While comparing Tantalite and Moldavite 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 Moldavite chemical formula.

Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

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Tantalite and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.