Manganoeudialyte
A variety of Minerals
What is Manganoeudialyte?
Manganoeudialyte is an moderately rare mineral of the eudialyte group, with formula Na14Ca6Mn3Zr3Si2[Si24O72(OH)2]Cl2·4H2O. The formula given is one of the forms that can be given, based on the originally reported one, and shows dominance of silicon at both the M3 and M4 sites. As suggested by its name, it is the manganese-analogue of eudialyte.
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Key Characteristics
Formation of Manganoeudialyte
Manganoeudialyte was discovered in khibinites of the Poços de Caldas massif, Brazil. Associated minerals are aegirine, analcime, astrophyllite, cancrinite, fluorite, lamprophyllite, nepheline, potassium feldspar, rinkite, sodalite, and titanite.
Quick Facts
Physical Properties
- Color
- Pink to purple
- Hardness (Mohs)
- 5 - 6
- Density
- 2.89 - 2.935 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- Na14Ca6Mn3Zr3Si26O72(OH)26 Originally reported formula: Na14Ca6Mn3Zr3[Si26O72(OH)2]Cl2·4H2O
- Elements
- Ca, Cl, H, Mn, Na, O, Si, Zr
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