Pyrite and Anthophyllite Physical Properties
Solubility
insoluble in water
-
Specific Gravity
5.00-5.20
2.9-3.5
Fracture
Uneven, Conchoidal, ConchoidalWalter Schumann
Conchoidal
Cleavage
Indistinct on {001}; partings on {011} and {111}
{110} Perfect, {???} Distinct, {???} Distinct
Mohs Hardness
6-6.5
5.5-6
Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Pyrite and Anthophyllite Chemical Formula
While comparing Pyrite and Anthophyllite 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 Pyrite and Anthophyllite chemical formula.
- Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Pyrite and Anthophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pyrite and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Pyrite is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.