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Jade
Jade

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Dravite



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Jade and Dravite 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
2.90-3.38
3.03-3.18
1.5 Fracture
Gemstones of the world (2001), Difficult, Splintery
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
1 or 2,2 prismatic.
{???} Indistinct
1.7 Mohs Hardness
6-7
7-7.5
1.8 Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Jade and Dravite Chemical Formula

While comparing Jade 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 Jade and Dravite chemical formula.

  • Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
  • Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Jade and Dravite Specific Gravity

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