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Hollandite
Hollandite

Smoky Quartz
Smoky Quartz



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Hollandite
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Smoky Quartz

Hollandite and Smoky Quartz Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.05
2.65
1.5 Fracture
Brittle, Metallic
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Distinct / Good, Prismatic
{0110} Indistinct
1.7 Mohs Hardness
4-6
7
1.8 Chemical Composition
Ba(Mn++++,Mn++)8O16
SiO2

Hollandite and Smoky Quartz Chemical Formula

While comparing Hollandite and Smoky Quartz 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 Smoky Quartz chemical formula.

  • Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
  • Chemical formula of Smoky Quartz- SiO2

Hollandite and Smoky Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.65 whereas that of Smoky Quartz is 2.65.