Danburite and Axinite Physical Properties

Danburite

Axinite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.97-3.033.26-3.36

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Conchoidal

Cleavage

{001} Poor

Good on {100}

Mohs Hardness

76.5-7

2 10

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Chemical Composition

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Danburite and Axinite Chemical Formula

While comparing Danburite and Axinite 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 Danburite and Axinite chemical formula.

Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Danburite and Axinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Danburite and Axinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Danburite and Axinite Optical Properties during the identification of gemstone. Specific gravity of Danburite is 3.26-3.36 whereas that of Axinite is 3.26-3.36.