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Topaz
Topaz

Charlesite
Charlesite



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Topaz
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Charlesite

Topaz and Charlesite Physical Properties

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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
3.49-3.571.79
Amber
1 7.18
1.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Irregular/uneven, Brittle, Metallic
1.6 Cleavage
[001] Perfect
Perfect on {10bar10}
1.7 Mohs Hardness
82.5
Amber
2 10
1.8 Chemical Composition
Al2SiO4(F,OH)2
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Topaz and Charlesite Chemical Formula

While comparing Topaz and Charlesite 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 Topaz and Charlesite chemical formula.

  • Chemical formula of Topaz- Al2SiO4(F,OH)2
  • Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Topaz and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 1.79 whereas that of Charlesite is 1.79.