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Hollandite
Hollandite
☒

Atacamite
Atacamite
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Hollandite
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Atacamite

Hollandite and Atacamite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
5.05
-
Distinct / Good, Prismatic
4-6
Ba(Mn++++,Mn++)8O16
 
Brittle
-
-
3.745-3.776
Conchoidal
Perfect on {010}, fair on {101}
3-3.5
Cu2Cl(OH)3

Hollandite and Atacamite Chemical Formula

While comparing Hollandite 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 Hollandite and Atacamite chemical formula.

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Hollandite and Atacamite Specific Gravity

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