Quartz and Atacamite Physical Properties

Quartz

Atacamite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65

3.745-3.776

1.5 Fracture

Conchoidal, Conchoidal, Brittle, Gems

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

{0110} Indistinct

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

3-3.5

1.8 Chemical Composition

SiO₂

Cu2Cl(OH)3

Quartz and Atacamite Chemical Formula

While comparing Quartz 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 Quartz and Atacamite chemical formula.

Chemical formula of Quartz- SiO₂
Chemical formula of Atacamite- Cu2Cl(OH)3

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Quartz and Atacamite Specific Gravity

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