Phosphophyllite and Apatite Physical Properties
Specific Gravity
3.07-3.13
3.16-3.23
Fracture
Conchoidal, Uneven
Conchoidal, Uneven, Conchoidal to uneven
Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
[0001] indistinct, [1010] indistinct
Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Phosphophyllite and Apatite Chemical Formula
While comparing Phosphophyllite and Apatite 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 Apatite 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 Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Phosphophyllite and Apatite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Apatite Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 3.16-3.23 whereas that of Apatite is 3.16-3.23.