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Tantalite
Tantalite

Lepidolite
Lepidolite



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Tantalite
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Lepidolite

Tantalite and Lepidolite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

5.22.80-2.90
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Uneven

Cleavage

Good in one direction
{001} perfect

Mohs Hardness

6-6.52.5
2 10
👆🏻

Chemical Composition

(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Tantalite and Lepidolite Chemical Formula

While comparing Tantalite and Lepidolite 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 Lepidolite chemical formula.

  • Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Tantalite and Lepidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.