Anhydrite and Wernerite Physical Properties

Anhydrite

Wernerite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.90-2.982.50-2.80

1 7.18

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Fracture

Conchoidal

Cleavage

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

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Mohs Hardness

3.55-6.5

2 10

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Chemical Composition

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

Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

Anhydrite and Wernerite Chemical Formula

While comparing Anhydrite and Wernerite 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 Anhydrite and Wernerite chemical formula.

Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Wernerite- Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

Anhydrite Vs Aragonite

Anhydrite Vs Augelite

Anhydrite Vs Axinite

Anhydrite and Wernerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anhydrite and Wernerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Wernerite Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 2.50-2.80 whereas that of Wernerite is 2.50-2.80.