Pyrope Almandine and Afghanite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.62-4.20
2.55-2.65
Fracture
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Cleavage
Not Available
Perfect {10 1 0}
Mohs Hardness
7-7.5
5.5-6
Chemical Composition
(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Pyrope Almandine and Afghanite Chemical Formula
While comparing Pyrope Almandine and Afghanite 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 Pyrope Almandine and Afghanite chemical formula.
- Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
- Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Pyrope Almandine and Afghanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pyrope Almandine and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Almandine and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Pyrope Almandine is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.