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Sellaite
Sellaite

Smoky Quartz
Smoky Quartz



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Sellaite
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Smoky Quartz

Sellaite and Smoky Quartz Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.14-3.16
2.65
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Perfect on {010} and {110}
{0110} Indistinct
1.7 Mohs Hardness
5-5.5
7
1.8 Chemical Composition
MgF 2Ulrich Henn and Claudio C.
SiO2

Sellaite and Smoky Quartz Chemical Formula

While comparing Sellaite 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 Sellaite and Smoky Quartz chemical formula.

  • Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.
  • Chemical formula of Smoky Quartz- SiO2

Sellaite and Smoky Quartz Specific Gravity

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