Achroite and Aquamarine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.40
2.66-2.80
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Not Available
Cleavage
Not Available
3,1 basal
Mohs Hardness
7-7.5
7.5-8
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.
Be3Al2SiO6
Achroite and Aquamarine Chemical Formula
While comparing Achroite and Aquamarine 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 Aquamarine 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 Aquamarine- Be3Al2SiO6
Achroite and Aquamarine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Achroite and Aquamarine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Aquamarine Optical Properties during the identification of gemstone. Specific gravity of Achroite is 2.66-2.80 whereas that of Aquamarine is 2.66-2.80.