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Variscite
Variscite

Tantalite
Tantalite



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Variscite
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Tantalite

Variscite and Tantalite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.42-2.585.2
1 7.18
👆🏻

Fracture

Conchoidal, Splintery, ConchoidalWalter Schumann
Subconchoidal, Conchoidal

Cleavage

[010] perfect
Good in one direction

Mohs Hardness

4-56-6.5
2 10
👆🏻

Chemical Composition

AlPO4 · 2(H2O)
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Variscite and Tantalite Chemical Formula

While comparing Variscite 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 Variscite and Tantalite chemical formula.

  • Chemical formula of Variscite- AlPO4 · 2(H2O)
  • Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Variscite and Tantalite Specific Gravity

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