Tantalite and Scolecite Physical Properties

Tantalite

Scolecite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.22.20-2.23

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven

1.6 Cleavage

Good in one direction

Perfect on {110} and {1 1 0}

1.7 Mohs Hardness

6-6.55-5.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Tantalite and Scolecite Chemical Formula

While comparing Tantalite and Scolecite 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 Scolecite chemical formula.

Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

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Tantalite and Scolecite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tantalite and Scolecite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tantalite and Scolecite Optical Properties during the identification of gemstone. Specific gravity of Tantalite is 2.20-2.23 whereas that of Scolecite is 2.20-2.23.