Chrysoberyl and Ettringite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Partially soluble in water
Durability
Not Available
Not Available
Specific Gravity
3.69-3.81
1.77
Fracture
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic
Not Available
Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
Perfect on {10 1 0}
Chemical Composition
BeAl 2 O 4
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chrysoberyl and Ettringite Chemical Formula
While comparing Chrysoberyl and Ettringite 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 Chrysoberyl and Ettringite chemical formula.
- Chemical formula of Chrysoberyl- BeAl 2 O 4
- Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chrysoberyl and Ettringite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 1.77 whereas that of Ettringite is 1.77.