Atacamite and Sanidine Physical Properties

Atacamite

Sanidine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.745-3.7762.54-2.61

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {010}, fair on {101}

{001} Perfect, {010} Good

1.7 Mohs Hardness

3-3.56

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Atacamite and Sanidine Chemical Formula

While comparing Atacamite and Sanidine 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 Atacamite and Sanidine chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Atacamite and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.