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Topazolite
Topazolite

Dravite
Dravite



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Topazolite
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Dravite

Topazolite and Dravite 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
3.70-4.103.03-3.18
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
Not Available
{???} Indistinct
1.7 Mohs Hardness
6.5-77-7.5
Amber
2 10
1.8 Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Topazolite and Dravite Chemical Formula

While comparing Topazolite and Dravite 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 Topazolite and Dravite chemical formula.

  • Chemical formula of Topazolite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  • Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Topazolite and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topazolite and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topazolite and Dravite Optical Properties during the identification of gemstone. Specific gravity of Topazolite is 3.03-3.18 whereas that of Dravite is 3.03-3.18.