Tantalite and Ruby Physical Properties

Tantalite

Ruby

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.23.97-4.05

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal

1.6 Cleavage

Good in one direction

No true cleavage

1.7 Mohs Hardness

6-6.59

2 10

1.8 Chemical Composition

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

Al ₂ O ₃

Tantalite and Ruby Chemical Formula

While comparing Tantalite and 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 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 Ruby- Al ₂ O ₃

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Tantalite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.