Amazonite and Anhydrite Physical Properties

Amazonite

Anhydrite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.55-2.572.90-2.98

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

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

Mohs Hardness

6-6.53.5

2 10

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Chemical Composition

KAlSi₃O₈

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

Amazonite and Anhydrite Chemical Formula

While comparing Amazonite 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 Amazonite and Anhydrite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Amazonite and Anhydrite Specific Gravity

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