Anhydrite and Chiastolite Physical Properties

Anhydrite

Chiastolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.98

3.00-3.15

1.5 Fracture

Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3.5

5-5.5

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)

Anhydrite and Chiastolite Chemical Formula

While comparing Anhydrite and Chiastolite 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 Chiastolite chemical formula.

Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Chiastolite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)

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Anhydrite and Chiastolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anhydrite and Chiastolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Chiastolite Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 3.00-3.15 whereas that of Chiastolite is 3.00-3.15.