Anthophyllite and Anorthite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.9-3.5
2.77
Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
Perfect [001] good [010] poor [110]
Mohs Hardness
5.5-6
6-6.5
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Anthophyllite and Anorthite Chemical Formula
While comparing Anthophyllite and Anorthite 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 Anthophyllite and Anorthite chemical formula.
- Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Anthophyllite and Anorthite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Anthophyllite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anthophyllite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Anthophyllite is 2.77 whereas that of Anorthite is 2.77.