Herderite and Tantalite Physical Properties

Herderite

Tantalite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.025.2

1 7.18

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Fracture

Subconchoidal, Conchoidal

Cleavage

Indistinct on {110}

Good in one direction

Mohs Hardness

5-5.56-6.5

2 10

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Chemical Composition

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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

Herderite and Tantalite Chemical Formula

While comparing Herderite 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 Herderite and Tantalite chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Compare Colorless Gems

Herderite Vs Orthoclase

Herderite Vs Pectolite

Herderite Vs Phenakite

Herderite and Tantalite Specific Gravity

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