Anhydrite and Hanksite Physical Properties

Anhydrite

Hanksite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Readily soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.98

2.562

1.5 Fracture

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

Uneven, Conchoidal, Brittle

1.6 Cleavage

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

Good on {0001}

1.7 Mohs Hardness

3.5

3-3.5

1.8 Chemical Composition

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

KNa22(SO4)9(CO3)2Cl

Anhydrite and Hanksite Chemical Formula

While comparing Anhydrite and Hanksite 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 Hanksite chemical formula.

Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Hanksite- KNa22(SO4)9(CO3)2Cl

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Anhydrite and Hanksite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anhydrite and Hanksite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Hanksite Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 2.562 whereas that of Hanksite is 2.562.