Dioptase and Axinite Physical Properties

Dioptase

Axinite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

3.25-3.353.26-3.36

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Conchoidal

Cleavage

Perfect in three directions

Good on {100}

Mohs Hardness

56.5-7

2 10

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Chemical Composition

CuSiO 2(OH) 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

Dioptase and Axinite Chemical Formula

While comparing Dioptase 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 Dioptase and Axinite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 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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Dioptase and Axinite Specific Gravity

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