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Hollandite
Hollandite
☒

Nosean
Nosean
☒



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Hollandite
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Nosean

Hollandite and Nosean Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
5.05
-
Distinct / Good, Prismatic
4-6
Ba(Mn++++,Mn++)8O16
 
-
-
-
2.30-2.40
Uneven, Conchoidal
{110} Perfect
-9999
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Hollandite and Nosean Chemical Formula

While comparing Hollandite and Nosean 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 Nosean chemical formula.

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Hollandite and Nosean Specific Gravity

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