Catapleiite and Atacamite Physical Properties

Catapleiite

Atacamite

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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

2.723.745-3.776

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

{110} Perfect, {010} Perfect

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

5-63-3.5

2 10

1.8 Chemical Composition

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

Cu2Cl(OH)3

Catapleiite and Atacamite Chemical Formula

While comparing Catapleiite and Atacamite 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 Atacamite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Atacamite- Cu2Cl(OH)3

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Catapleiite and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Catapleiite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Catapleiite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Catapleiite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.