Achroite and Chrysoberyl Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.40
3.69-3.81
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic
Cleavage
Not Available
Distinct on {110}, imperfect on {010}, poor on {001}
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
BeAl 2 O 4
Achroite and Chrysoberyl Chemical Formula
While comparing Achroite 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 Achroite and Chrysoberyl chemical formula.
- Chemical formula of Achroite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
- Chemical formula of Chrysoberyl- BeAl 2 O 4
Achroite and Chrysoberyl Specific Gravity
Another important criteria for qualitative analysis of gemstones is Achroite and Chrysoberyl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Chrysoberyl Optical Properties during the identification of gemstone. Specific gravity of Achroite is 3.69-3.81 whereas that of Chrysoberyl is 3.69-3.81.