Afghanite and Eudialyte Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
H 2 SO 4
Durability
Not Available
Not Available
Specific Gravity
2.55-2.65
2.74-3.00
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Uneven, UnevenArthur Thomas, Gemstones (2009)
Cleavage
Perfect {10 1 0}
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
5.5-6
5-5.5
Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Afghanite and Eudialyte Chemical Formula
While comparing Afghanite and Eudialyte 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 Afghanite and Eudialyte chemical formula.
- Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
- Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Afghanite and Eudialyte Specific Gravity
Another important criteria for qualitative analysis of gemstones is Afghanite and Eudialyte Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Eudialyte Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 2.74-3.00 whereas that of Eudialyte is 2.74-3.00.