Ruby and Tantalite Physical Properties

Ruby

Tantalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.97-4.055.2

1 7.18

1.5 Fracture

Conchoidal

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

No true cleavage

Good in one direction

1.7 Mohs Hardness

96-6.5

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Ruby and Tantalite Chemical Formula

While comparing Ruby 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 Ruby and Tantalite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Ruby and Tantalite Specific Gravity

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