Catapleiite and Anhydrite Physical Properties

Catapleiite

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

2.722.90-2.98

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

{110} Perfect, {010} Perfect

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

1.7 Mohs Hardness

5-63.5

2 10

1.8 Chemical Composition

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Catapleiite and Anhydrite Chemical Formula

While comparing Catapleiite 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 Catapleiite and Anhydrite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Catapleiite and Anhydrite Specific Gravity

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