Nepouite and Anhydrite Physical Properties

Nepouite

Anhydrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.18-3.242.90-2.98

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

perfect on {001}

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

1.7 Mohs Hardness

23.5

2 10

1.8 Chemical Composition

Not Available

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

Nepouite and Anhydrite Chemical Formula

While comparing Nepouite 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 Nepouite and Anhydrite chemical formula.

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

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Nepouite and Anhydrite Specific Gravity

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