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Johachidolite
Johachidolite

Topaz
Topaz



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Johachidolite
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Topaz

Johachidolite and Topaz Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.453.49-3.57
Amber
1 7.18
1.5 Fracture
Not Available
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
None
[001] Perfect
1.7 Mohs Hardness
7.58
Amber
2 10
1.8 Chemical Composition
CaAlB 3O 7Michael O’Donoghue , Gems, Sixth Edition (2006)
Al2SiO4(F,OH)2

Johachidolite and Topaz Chemical Formula

While comparing Johachidolite and Topaz 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 Johachidolite and Topaz chemical formula.

  • Chemical formula of Johachidolite- CaAlB 3O 7Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Topaz- Al2SiO4(F,OH)2

Johachidolite and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Johachidolite and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Johachidolite and Topaz Optical Properties during the identification of gemstone. Specific gravity of Johachidolite is 3.49-3.57 whereas that of Topaz is 3.49-3.57.