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Rock Crystal
Rock Crystal

Smoky Quartz
Smoky Quartz



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Rock Crystal
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Smoky Quartz

Rock Crystal 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
2.652.65
Amber
1 7.18
1.5 Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Not Available
{0110} Indistinct
1.7 Mohs Hardness
77
Amber
2 10
1.8 Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
SiO2

Rock Crystal and Smoky Quartz Chemical Formula

While comparing Rock Crystal 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 Rock Crystal and Smoky Quartz chemical formula.

  • Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Smoky Quartz- SiO2

Rock Crystal and Smoky Quartz Specific Gravity

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