Jade and Tantalite Physical Properties

Jade

Tantalite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.385.2

1 7.18

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Fracture

Splintery

Subconchoidal, Conchoidal

Cleavage

1 or 2,2 prismatic.

Good in one direction

Mohs Hardness

6-76-6.5

2 10

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Chemical Composition

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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

Jade and Tantalite Chemical Formula

While comparing Jade 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 Jade and Tantalite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Compare Semi Precious Gemstones

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Jade Vs Rhodolite

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Jade and Tantalite Specific Gravity

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