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Tantalite
Tantalite

Star Ruby
Star Ruby



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Tantalite
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Star Ruby

Tantalite and Star Ruby Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

5.23.95-4.10
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Uneven

Cleavage

Good in one direction
None

Mohs Hardness

6-6.5-9999
2 10
👆🏻

Chemical Composition

(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Tantalite and Star Ruby Chemical Formula

While comparing Tantalite and Star Ruby 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 Star Ruby chemical formula.

  • Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Tantalite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.