Moonstone and Harlequin Opal Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.56-2.60
1.98-2.50
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Conchoidal, Gemstones of the world (2001)
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Not Available
Mohs Hardness
6-6.5
5.5-6.5
Chemical Composition
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Moonstone and Harlequin Opal Chemical Formula
While comparing Moonstone and Harlequin Opal 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 Moonstone and Harlequin Opal chemical formula.
- Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
- Chemical formula of Harlequin Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Moonstone and Harlequin Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Moonstone and Harlequin Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Harlequin Opal Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 1.98-2.50 whereas that of Harlequin Opal is 1.98-2.50.