Rhodolite and Tantalite Physical Properties

Rhodolite

Tantalite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.845.2

1 7.18

1.5 Fracture

Conchoidal

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

none, may show indistinct parting

Good in one direction

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

Rhodolite and Tantalite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Tantalite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Rhodolite and Tantalite Specific Gravity

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