Hardystonite and White Opal Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.396-3.443
1.98-2.50
Fracture
Brittle, Metallic
Conchoidal, Conchoidal, Gemstones of the world (2001)
Cleavage
[001] good, [100] and [110] fair
Not Available
Mohs Hardness
3-4
5.5-6.5
Chemical Composition
Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Hardystonite and White Opal Chemical Formula
While comparing Hardystonite and White 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 Hardystonite and White Opal chemical formula.
- Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Hardystonite and White Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hardystonite and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hardystonite and White Opal Optical Properties during the identification of gemstone. Specific gravity of Hardystonite is 1.98-2.50 whereas that of White Opal is 1.98-2.50.