Anhydrite and Caledonite Physical Properties

Anhydrite

Caledonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.90-2.985.6-5.76

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

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

[001] perfect; [100] distinct

Mohs Hardness

3.52.5-3

2 10

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Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Anhydrite and Caledonite Chemical Formula

While comparing Anhydrite and Caledonite 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 Caledonite chemical formula.

Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Anhydrite Vs Augelite

Anhydrite Vs Axinite

Anhydrite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anhydrite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.