Verdite and Tantalite Physical Properties

Verdite

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

2.80-3.05.2

1 7.18

1.5 Fracture

Not Available

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} Good

Good in one direction

1.7 Mohs Hardness

36-6.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

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

Verdite and Tantalite Chemical Formula

While comparing Verdite 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 Verdite and Tantalite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Compare Blue Gemstones

Verdite Vs Yttrium Aluminium Garnet

Verdite Vs White Opal

Verdite Vs Zircon

Verdite and Tantalite Specific Gravity

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