Pearl and Wax Opal Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.60-2.85
1.98-2.50
Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
none
Not Available
Mohs Hardness
2.5-4.5
5.5-6.5
Chemical Composition
Not Available
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Pearl and Wax Opal Chemical Formula
While comparing Pearl and Wax 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 Pearl and Wax Opal chemical formula.
>- Chemical formula of Wax Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Pearl and Wax Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pearl and Wax Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Wax Opal Optical Properties during the identification of gemstone. Specific gravity of Pearl is 1.98-2.50 whereas that of Wax Opal is 1.98-2.50.