Alabaster and Hemimorphite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.30
3.30-3.50
Fracture
Not Available
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Cleavage
Not Available
Perfect on {110}, poor on {101}, {001} rare
Chemical Composition
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Alabaster and Hemimorphite Chemical Formula
While comparing Alabaster and Hemimorphite 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 Alabaster and Hemimorphite chemical formula.
- Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Alabaster and Hemimorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Alabaster and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.