Home
×

Dravite
Dravite

Chrysoberyl
Chrysoberyl



ADD
Compare
X
Dravite
X
Chrysoberyl

Dravite and Chrysoberyl Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.03-3.18
3.69-3.81
1.5 Fracture
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic
1.6 Cleavage
{???} Indistinct
Distinct on {110}, imperfect on {010}, poor on {001}
1.7 Mohs Hardness
7-7.5
8.5
1.8 Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
BeAl 2 O 4

Dravite and Chrysoberyl Chemical Formula

While comparing Dravite and Chrysoberyl 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 Dravite and Chrysoberyl chemical formula.

  • Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  • Chemical formula of Chrysoberyl- BeAl 2 O 4

Dravite and Chrysoberyl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Chrysoberyl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Chrysoberyl Optical Properties during the identification of gemstone. Specific gravity of Dravite is 3.69-3.81 whereas that of Chrysoberyl is 3.69-3.81.