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Combeite from
Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Locality type:Volcano
Classification
Species:Combeite
Formula:Na4.5Ca3.5Si6O17.5(OH)0.5
Confirmation
Validity:Believed Valid
References
References:www.koeln.netsurf.de/~w.steffens/other.htm; Henderson, C. M. B., Kogarko, L. N., & Plant, D. A. (1999). Extreme closed system fractionation of volatile-rich, ultrabasic peralkaline melt inclusions and the occurrence of djerfisherite in the Kugda alkaline complex, Siberia. Mineralogical Magazine, 63(3), 433-438.; Wiedenmann D, Zaitsev A N, Britvin S N, Krivovichev S V, Keller J (2009) Alumoåkermanite, (Ca,Na)2(Al,Mg,Fe2+)(Si2O7), a new mineral from the active carbonatite-nephelinite-phonolite volcano Oldoinyo Lengai, northern Tanzania. Mineralogical Magazine 73, 373-384
Associated Minerals Based on Photo Data:
Aegirine9 photos of Combeite associated with Aegirine at this locality.
Nepheline9 photos of Combeite associated with Nepheline at this locality.
Sodalite5 photos of Combeite associated with Sodalite at this locality.
Wollastonite3 photos of Combeite associated with Wollastonite at this locality.
Glass1 photo of Combeite associated with Glass at this locality.
Data
Mineral Data:Click here to view Combeite data
Locality Data:Click here to view Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
 
Mineral and/or Locality  
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