Sellaite and Tantalite Physical Properties

Sellaite

Tantalite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.14-3.16

5.2

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {010} and {110}

Good in one direction

1.7 Mohs Hardness

5-5.5

6-6.5

1.8 Chemical Composition

MgF 2Ulrich Henn and Claudio C.

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

Sellaite and Tantalite Chemical Formula

While comparing Sellaite 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 Sellaite and Tantalite chemical formula.

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

Compare White Gemstones

Sellaite Vs Strontianite

Sellaite Vs Thomsonite

Sellaite Vs Sussexite

Sellaite and Tantalite Specific Gravity

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