Humite and Phosphophyllite Physical Properties
Specific Gravity
3.20-3.32
3.07-3.13
Fracture
Uneven, Conchoidal
Conchoidal, Uneven
Cleavage
Poor
{100} Perfect, {010} Distinct, {102} Distinct
Mohs Hardness
6-6.5
3-3.5
Chemical Composition
(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Humite and Phosphophyllite Chemical Formula
While comparing Humite and Phosphophyllite 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 Humite and Phosphophyllite chemical formula.
- Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Humite and Phosphophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Humite and Phosphophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Humite and Phosphophyllite Optical Properties during the identification of gemstone. Specific gravity of Humite is 3.07-3.13 whereas that of Phosphophyllite is 3.07-3.13.