Glaucophane and Tantalite Physical Properties

Glaucophane

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

3-3.155.2

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good on [110] and on [001]

Good in one direction

1.7 Mohs Hardness

6.0-6.56-6.5

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

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

Glaucophane and Tantalite Chemical Formula

While comparing Glaucophane 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 Glaucophane and Tantalite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Glaucophane and Tantalite Specific Gravity

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