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Smoky Quartz
Smoky Quartz

Hollandite
Hollandite



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Smoky Quartz
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Hollandite

Smoky Quartz and Hollandite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.655.05
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Brittle, Metallic
1.6 Cleavage
{0110} Indistinct
Distinct / Good, Prismatic
1.7 Mohs Hardness
74-6
Amber
2 10
1.8 Chemical Composition
SiO2
Ba(Mn++++,Mn++)8O16

Smoky Quartz and Hollandite Chemical Formula

While comparing Smoky Quartz 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 Smoky Quartz and Hollandite chemical formula.

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

Smoky Quartz and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 5.05 whereas that of Hollandite is 5.05.