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Atacamite
Atacamite

Pyrope
Pyrope



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Atacamite
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Pyrope

Atacamite and Pyrope Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

-
insoluble in water

Durability

-
-

Specific Gravity

3.745-3.7763.62-3.87
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

Perfect on {010}, fair on {101}
None

Mohs Hardness

3-3.57-7.5
2 10
👆🏻

Chemical Composition

Cu2Cl(OH)3
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Atacamite and Pyrope Chemical Formula

While comparing Atacamite and Pyrope 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 Pyrope chemical formula.

  • Chemical formula of Atacamite- Cu2Cl(OH)3
  • Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Atacamite and Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Pyrope Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 3.62-3.87 whereas that of Pyrope is 3.62-3.87.