Anhydrite and Leucite Physical Properties

Anhydrite

Leucite

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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

2.90-2.982.45-2.50

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

Poor on {110}

1.7 Mohs Hardness

3.55.5-6

2 10

1.8 Chemical Composition

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

KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Anhydrite and Leucite Chemical Formula

While comparing Anhydrite and Leucite 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 Leucite chemical formula.

Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Leucite- KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Anhydrite and Leucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anhydrite and Leucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Leucite Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 2.45-2.50 whereas that of Leucite is 2.45-2.50.