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Atacamite
Atacamite

Simpsonite
Simpsonite



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Atacamite
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Simpsonite

Atacamite and Simpsonite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.745-3.776-9999
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
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Atacamite and Simpsonite Chemical Formula

While comparing Atacamite and Simpsonite 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 Simpsonite chemical formula.

  • Chemical formula of Atacamite- Cu2Cl(OH)3
  • Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Atacamite and Simpsonite Specific Gravity

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