Scapolite and Eudialyte Physical Properties
Specific Gravity
2.58-2.74
2.74-3.00
Fracture
ConchoidalWalter Schumann, Splintery
Uneven
Cleavage
{100} Distinct, {110} Distinct
Distinct on {0001} imperfect on {11 2 0}
Mohs Hardness
5.5-6
5-5.5
Chemical Composition
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.
Scapolite and Eudialyte Chemical Formula
While comparing Scapolite 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 Scapolite and Eudialyte chemical formula.
- Chemical formula of Scapolite- Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) 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.
Scapolite and Eudialyte Specific Gravity
Another important criteria for qualitative analysis of gemstones is Scapolite and Eudialyte Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scapolite and Eudialyte Optical Properties during the identification of gemstone. Specific gravity of Scapolite is 2.74-3.00 whereas that of Eudialyte is 2.74-3.00.