Phosphophyllite and Fire Opal Physical Properties
Specific Gravity
3.07-3.13
1.97-2.22
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
None
Mohs Hardness
3-3.5
6-6.5
Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Phosphophyllite and Fire Opal Chemical Formula
While comparing Phosphophyllite and Fire 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 Phosphophyllite and Fire Opal chemical formula.
- Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Phosphophyllite and Fire Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.