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Smoky Quartz
Smoky Quartz

Gypsum
Gypsum



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Smoky Quartz
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Gypsum

Smoky Quartz and Gypsum Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Flexible
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.652.20-2.40
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
{0110} Indistinct
Perfect on {010}, distinct on {100}
1.7 Mohs Hardness
72
Amber
2 10
1.8 Chemical Composition
SiO2
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Smoky Quartz and Gypsum Chemical Formula

While comparing Smoky Quartz and Gypsum 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 Gypsum chemical formula.

  • Chemical formula of Smoky Quartz- SiO2
  • Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Smoky Quartz and Gypsum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Gypsum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Gypsum Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 2.20-2.40 whereas that of Gypsum is 2.20-2.40.