Almandine and Eudialyte Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
H 2 SO 4
Durability
Not Available
Not Available
Specific Gravity
3.95-4.30
2.74-3.00
Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, UnevenArthur Thomas, Gemstones (2009)
Cleavage
none
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
7-7.5
5-5.5
Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Almandine and Eudialyte Chemical Formula
While comparing Almandine 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 Almandine and Eudialyte chemical formula.
- Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur 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.
Almandine and Eudialyte Specific Gravity
Another important criteria for qualitative analysis of gemstones is Almandine and Eudialyte Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Eudialyte Optical Properties during the identification of gemstone. Specific gravity of Almandine is 2.74-3.00 whereas that of Eudialyte is 2.74-3.00.