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Catapleiite
Catapleiite

Dravite
Dravite



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Catapleiite
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Dravite

Catapleiite 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
2.723.03-3.18
Amber
1 7.18
1.5 Fracture
Brittle, Metallic, Brittle, Metallic
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
{110} Perfect, {010} Perfect
{???} Indistinct
1.7 Mohs Hardness
5-67-7.5
Amber
2 10
1.8 Chemical Composition
Na 2ZrSi 3O 9 · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Catapleiite and Dravite Chemical Formula

While comparing Catapleiite 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 Catapleiite and Dravite chemical formula.

  • Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Catapleiite and Dravite Specific Gravity

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