Smoky Quartz and Atacamite Physical Properties

Smoky 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

2.653.745-3.776

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

{0110} Indistinct

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

73-3.5

2 10

1.8 Chemical Composition

SiO₂

Cu2Cl(OH)3

Smoky Quartz and Atacamite Chemical Formula

While comparing Smoky 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 Smoky Quartz and Atacamite chemical formula.

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

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Smoky Quartz and Atacamite Specific Gravity

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