Sunstone and Atacamite Physical Properties

Sunstone

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

2.62-2.653.745-3.776

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

001

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

63-3.5

2 10

1.8 Chemical Composition

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Cu2Cl(OH)3

Sunstone and Atacamite Chemical Formula

While comparing Sunstone 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 Sunstone and Atacamite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Atacamite- Cu2Cl(OH)3

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Sunstone and Atacamite Specific Gravity

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