Ludlamite and Precious Opal Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.1-3.2
1.98-2.25
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Cleavage
Vitreous, pearly on cleavage
Not Available
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 · nH 2OGemdat.org , Management Team (2012)
Ludlamite and Precious Opal Chemical Formula
While comparing Ludlamite 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 Ludlamite and Precious Opal chemical formula.
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
Ludlamite and Precious Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ludlamite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.