Anhydrite and Prasiolite Physical Properties

Anhydrite

Prasiolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.98

2.65

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

3,1

1.7 Mohs Hardness

3.5

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Anhydrite and Prasiolite Chemical Formula

While comparing Anhydrite and Prasiolite 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 Prasiolite chemical formula.

Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

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Anhydrite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anhydrite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 2.65 whereas that of Prasiolite is 2.65.