Demantoid and Tantalite Physical Properties

Demantoid

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

3.77-3.955.2

1 7.18

1.5 Fracture

Not Available

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Good in one direction

1.7 Mohs Hardness

6.56-6.5

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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

Demantoid and Tantalite Chemical Formula

While comparing Demantoid 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 Demantoid and Tantalite chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Compare Green Gemstones

Demantoid Vs Euclase

Demantoid Vs Emerald

Demantoid Vs Faustite

Demantoid and Tantalite Specific Gravity

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