Lazulite and White Opal Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.04-3.17
1.98-2.50
Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references
Conchoidal, Conchoidal, Gemstones of the world (2001)
Cleavage
{001} Indistinct, {???} Indistinct
Not Available
Mohs Hardness
5.5
5.5-6.5
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Lazulite and White Opal Chemical Formula
While comparing Lazulite 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 Lazulite and White Opal chemical formula.
- Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
- Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Lazulite and White Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Lazulite and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and White Opal Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 1.98-2.50 whereas that of White Opal is 1.98-2.50.