Barite and Anhydrite Physical Properties

Barite

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

4.482.90-2.98

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

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

1.7 Mohs Hardness

3-3.53.5

2 10

1.8 Chemical Composition

BaSO4

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

Barite and Anhydrite Chemical Formula

While comparing Barite 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 Barite and Anhydrite chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Barite and Anhydrite Specific Gravity

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