Fluorite and Tantalite Physical Properties

Fluorite

Tantalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.255.2

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Octahedral, perfect on {111}, parting on {011}

Good in one direction

1.7 Mohs Hardness

46-6.5

2 10

1.8 Chemical Composition

CaF₂

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

Fluorite and Tantalite Chemical Formula

While comparing Fluorite 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 Fluorite and Tantalite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Fluorite and Tantalite Specific Gravity

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