Phenakite and Eudialyte Physical Properties
Specific Gravity
2.90-2.98
2.74-3.00
Fracture
Conchoidal, ConchoidalWalter Schumann
Uneven
Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
7.5-8
5-5.5
Chemical Composition
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Phenakite and Eudialyte Chemical Formula
While comparing Phenakite 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 Phenakite and Eudialyte chemical formula.
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Phenakite and Eudialyte Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phenakite and Eudialyte Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Eudialyte Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 2.74-3.00 whereas that of Eudialyte is 2.74-3.00.