Peridot and Tantalite Physical Properties

Peridot

Tantalite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.555.2

1 7.18

1.5 Fracture

Conchoidal

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Poor

Good in one direction

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

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

Peridot and Tantalite Chemical Formula

While comparing Peridot 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 Peridot and Tantalite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Compare Semi Precious Gemstones

Peridot Vs Hackmanite

Peridot Vs Citrine

Peridot Vs Garnet

Peridot and Tantalite Specific Gravity

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