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Topaz
Topaz

Lepidolite
Lepidolite



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Topaz
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Lepidolite

Topaz and Lepidolite Physical Properties

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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
3.49-3.572.80-2.90
Amber
1 7.18
1.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
[001] Perfect
{001} perfect
1.7 Mohs Hardness
82.5
Amber
2 10
1.8 Chemical Composition
Al2SiO4(F,OH)2
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Topaz and Lepidolite Chemical Formula

While comparing Topaz and Lepidolite 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 Lepidolite chemical formula.

  • Chemical formula of Topaz- Al2SiO4(F,OH)2
  • Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Topaz and Lepidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.