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Smithsonite
Smithsonite

Hollandite
Hollandite



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Smithsonite
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Hollandite

Smithsonite and Hollandite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
4.00-4.65
Uneven, Sub-Conchoidal
Perfect on [1011]
5-5.5
ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
5.05
-
Distinct / Good, Prismatic
4-6
Ba(Mn++++,Mn++)8O16

Smithsonite and Hollandite Chemical Formula

While comparing Smithsonite and Hollandite 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 Smithsonite and Hollandite chemical formula.

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Smithsonite and Hollandite Specific Gravity

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