Axinite and Anhydrite Physical Properties

Axinite

Anhydrite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.26-3.362.90-2.98

1 7.18

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Fracture

Conchoidal

Cleavage

Good on {100}

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

Mohs Hardness

6.5-73.5

2 10

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Chemical Composition

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

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Axinite and Anhydrite Chemical Formula

While comparing Axinite and Anhydrite 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 Axinite and Anhydrite chemical formula.

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

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Axinite and Anhydrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Axinite and Anhydrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Axinite and Anhydrite Optical Properties during the identification of gemstone. Specific gravity of Axinite is 2.90-2.98 whereas that of Anhydrite is 2.90-2.98.