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


01779400017364375432956.jpg
Combeite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
00873850017271922244068.jpg
Combeite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
05103470017364375439442.jpg
Combeite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
06669790017364375439723.jpg
Combeite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
06289250017362328107094.jpg
Combeite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
08988310017364375431510.jpg
Combeite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
05103470017364375439442.jpg
Combeite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
06669790017364375439723.jpg
Combeite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
00966340017364375442349.jpg
Combeite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
00873850017271922244068.jpg
Combeite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
02617390017364375447579.jpg
Combeite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
04255120017364375441280.jpg
Combeite, etc.

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
Associated Minerals Based on Photo Data:
Aegirine9
Nepheline9
Sodalite5
Wollastonite3
Glass1
Data
Mineral Data:Click here to view Combeite data
Locality Data:Click here to view Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:141338
Long-form Identifier:1:3:141338:0
GUID (UUID V4):0
References
www.koeln.netsurf.de/~w.steffens/other.htm
Dawson, J. Barry; Smith, Joseph V.; Steele, I. M. (1989) Combeite (Na2.33Ca1.74others0.12)Si3O9 from Oldoinyo Lengai, Tanzania. The Journal of Geology, 97 (3). 365-372 doi:10.1086/629310
Dawson, J. B. (1998) Peralkaline Nephelinite-Natrocarbonatite Relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39 (11) 2077-2094 doi:10.1093/petroj/39.11-12.2077
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 doi:10.1180/minmag.1999.063.3.14
 
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