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Smoky Quartz
Smoky Quartz

Apophyllite KF
Apophyllite KF



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Smoky Quartz
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Apophyllite KF

Smoky Quartz and Apophyllite KF 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
2.65
2.33-2.37
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Brittle, Uneven, Brittle, Uneven
1.6 Cleavage
{0110} Indistinct
Perfect on {001}, imperfect on {110}
1.7 Mohs Hardness
7
4.5-5
1.8 Chemical Composition
SiO2
(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Smoky Quartz and Apophyllite KF Chemical Formula

While comparing Smoky Quartz and Apophyllite KF 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 Apophyllite KF chemical formula.

  • Chemical formula of Smoky Quartz- SiO2
  • Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

Smoky Quartz and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.