Augelite and Precious Opal Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.70-2.75
1.98-2.25
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Cleavage
From the Greek for luster, for its pearly luster on the cleavage.
Not Available
Mohs Hardness
4.5-5
5-6.5
Chemical Composition
Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO 2 · nH 2OGemdat.org , Management Team (2012)
Augelite and Precious Opal Chemical Formula
While comparing Augelite and Precious 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 Augelite and Precious Opal chemical formula.
- Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
Augelite and Precious Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Augelite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Augelite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.