×

Atacamite
Atacamite

Boulder Opal
Boulder Opal



ADD
Compare
X
Atacamite
X
Boulder Opal

Atacamite and Boulder Opal Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.745-3.7761.98-2.25
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

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

Mohs Hardness

3-3.55-6.5
2 10
👆🏻

Chemical Composition

Cu2Cl(OH)3
SiO 2 + H 2OUlrich Henn and Claudio C.

Atacamite and Boulder Opal Chemical Formula

While comparing Atacamite and Boulder Opal 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 Boulder Opal chemical formula.

  • Chemical formula of Atacamite- Cu2Cl(OH)3
  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Atacamite and Boulder Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.