Prase Opal and Holmquistite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.98-2.25
2.95-3.13
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Not Available
Cleavage
Not Available
{210} Perfect
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Prase Opal and Holmquistite Chemical Formula
While comparing Prase Opal and Holmquistite 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 Prase Opal and Holmquistite chemical formula.
- Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
- Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Prase Opal and Holmquistite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Prase Opal and Holmquistite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase Opal and Holmquistite Optical Properties during the identification of gemstone. Specific gravity of Prase Opal is 2.95-3.13 whereas that of Holmquistite is 2.95-3.13.