Alabaster and Omphacite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30
3.16-3.43
Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Not Available
{110} Good, {110} Good
Chemical Composition
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Alabaster and Omphacite Chemical Formula
While comparing Alabaster and Omphacite 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 Omphacite chemical formula.
- Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Alabaster and Omphacite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Alabaster and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.