Celestine and Emerald Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Hard
Specific Gravity
3.90-4.00
2.67-2.78
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Perfect on {001}, good on {210}, poor on {010}
Imperfect on the [0001]
Mohs Hardness
3-3.5
7.5-8
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be3Al2SiO6
Celestine and Emerald Chemical Formula
While comparing Celestine and Emerald 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 Celestine and Emerald chemical formula.
- Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Emerald- Be3Al2SiO6
Celestine and Emerald Specific Gravity
Another important criteria for qualitative analysis of gemstones is Celestine and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Celestine and Emerald Optical Properties during the identification of gemstone. Specific gravity of Celestine is 2.67-2.78 whereas that of Emerald is 2.67-2.78.