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Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania i
Regional Level Types
Ol Doinyo Lengai Volcano
Ngorongoro District District
Arusha region Region
Tanzania Country

Regional Level Types
Ol Doinyo Lengai	Volcano
Ngorongoro District	District
Arusha region	Region
Tanzania	Country

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Mt Oldoinyo Lengai - view from the Natron lake.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Strombolian eruption of the new crater of the volcano 08.10.2017

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Ol Doinyo Lengai, 2018

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Mt Oldoinyo Lengai - view from the Natron lake.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Strombolian eruption of the new crater of the volcano 08.10.2017

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Ol Doinyo Lengai, 2018

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Mt Oldoinyo Lengai - view from the Natron lake.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Strombolian eruption of the new crater of the volcano 08.10.2017

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Latitude & Longitude (WGS84):

2° 45' 41'' South , 35° 54' 49'' East

Latitude & Longitude (decimal):

G#: kz9831r84

Type:

Köppen climate type:

Aw : Tropical savanna, wet

Nearest Settlements:

Place	Population	Distance
Ngorongoro	10,836 (2016)	71.1km

Mindat Locality ID:

14962

Long-form identifier:

mindat:1:2:14962:1

GUID (UUID V4):

09ac9111-d8b5-48f0-9420-9e8f5ab39169

Other Languages:

View 28 more...

French:

Ol Doinyo Lengaï, District de Ngorongoro, Arusha, Tanzanie

German:

Ol Doinyo Lengai, Arusha, Tansania

Italian:

Ol Doinyo Lengai, Distretto di Ngorongoro, regione di Arusha, Tanzania

Russian:

Олдоиньо-Ленгаи, Аруша, Танзания

Simplified Chinese:

倫蓋火山, 阿鲁沙区, 坦桑尼亚

Spanish:

Ol Doinyo Lengai, Ngorongoro, Región de Arusha, Tanzania

Arabic:

جبل أولدوينيو لنغاي, إقليم أروشا, تنزانيا

Bulgarian:

Ол Дойньо Ленгай, Аруша, Танзания

Cebuano:

Ol Doinyo Lengai, Ngorongoro, Arusha Region, Tanzania

Croatian:

Ol Doinyo Lengai, Aruša, Tanzanija

Czech:

Ol Doinyo Lengai, Tanzanie

Dutch:

Ol Doinyo Lengai, Ngorongoro District, Arusha, Tanzania

Esperanto:

Ol Doinjo Lengai, Regiono Arusha, Tanzanio

Estonian:

Ol Doinyo Lengai, Arusha piirkond, Tansaania

Greek:

Ολντόινιο Λένγκαϊ, Περιοχή Νγκορονγκόρο, Περιφέρεια Αρούσα, Τανζανία

Hebrew:

אול דויניו לנגאי, טנזניה

Hungarian:

Ol Doinyo Lengai, Tanzánia

Japanese:

オルドイニョ・レンガイ, アルーシャ州, タンザニア

Korean:

올도이뇨 렝가이 화산, 아루샤 주, 탄자니아

Lithuanian:

Ol Doinyo Lengai, Arušos regionas, Tanzanija

Macedonian:

Ол Доињо Ленгаи, Танзанија

Norwegian:

Ol Doinyo Lengai, Arusha, Tanzania

Norwegian (Nynorsk):

Ol Doinyo Lengai, Tanzania

Occitan:

Ol Doinyo Lengai, Tanzania

Polish:

Ol Doinyo Lengai, dystrykt Ngorongoro, Arusza, Tanzania

Portuguese:

Ol Doinyo Lengai, Ngorongoro, Arusha, Tanzânia

Romanian:

Ol Doinyo Lengai, Regiunea Arusha, Tanzania

Serbian:

Ол Доињо Ленгаи, Аруша, Танзанија

Slovak:

Ol Doinyo Lengai, Tanzánia

Slovenian:

Ol Doinyo Lengai, Tanzanija

Swahili:

Ol Doinyo Lengai, Wilaya ya Ngorongoro, Mkoa wa Arusha, Tanzania

Traditional Chinese:

倫蓋火山, 阿魯沙區, 坦桑尼亞

Ukrainian:

Ол-Доїньйо-Ленгаї, Аруша, Танзанія

Vietnamese:

Ol Doinyo Lengai, Ngorongoro, Arusha, Tanzania

The world's only active carbonatite volcano, with natrocarbonatite, calciocarbonatite, jacupirangite, nepheline syenite and other rocks. Extremely alkali-rich lava, 30 % Na2O.

Geologic map of the volcano and surrounding area; Sherrod et al., 2013

A link to a discussion about this volcano: https://www.mindat.org/mesg-558859.html

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Aegirine

ⓘ Aegirine-augite

ⓘ Alabandite

ⓘ Alumoåkermanite (TL)

ⓘ 'Apophyllite Group'

ⓘ Augite

ⓘ Baryte

ⓘ Barytolamprophyllite

ⓘ Calcite

ⓘ Celestine

ⓘ Chalcopyrite

ⓘ 'Clinopyroxene Subgroup'

ⓘ Gregoryite (TL)

ⓘ Gypsum

ⓘ Halite

ⓘ Haüyne

ⓘ Jörgkellerite (TL)

ⓘ var. Titanium-bearing Magnetite

ⓘ Nyerereite (TL)

ⓘ Parascandolaite ?

ⓘ 'UM1995-02-CO:BaCaClFKMgNaSr'

ⓘ 'UM1997-44-S:FeK'

ⓘ 'UM2006-01-COPO:FNa'

ⓘ 'Unnamed (K sulfides solid solution)'

ⓘ Villiaumite

ⓘ Witherite

ⓘ Wollastonite

67 valid minerals. 4 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Natrocarbonatite

ⓘ Nephelinite

Detailed Mineral List:

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

References:

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

Mattsson, H. B., & Reusser, E. (2010). Mineralogical and geochemical characterization of ashes from an early phase of the explosive September 2007 eruption of Oldoinyo Lengai (Tanzania). Journal of African Earth Sciences, 58(5), 752-763.

ⓘ Aegirine-augite

Formula: (Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆

ⓘ Alabandite

Formula: MnS

Description: "Fe-alabandite"

References:

Mineralogical Magazine 1997 61 : 779-789

Mattsson, H. B.

Balashova, A.

Almqvist, B. S. G.

Bosshard-Stadlin, S. A.

Mitchell, R. H. (1997). Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine, 61(6), 779-789.

Jago, B. C., & Gittins, J. (1999). Mn-and F-bearing rasvumite in natrocarbonatite at Oldoinyo Lengai volcano, Tanzania. Mineralogical Magazine, 63(1), 53-55

Mitchell, R.H. (2000) "The July 2000 expedition to the natrocarbonatite volcano Oldoinyo Lengai. Newsletter of the Mineralogical Association of Canada, # 63 (Dec. 2000).

Weidendorfer, D. (2018): Magnetic mineralogy and rock magnetic properties of silicate and carbonatite rocks from Oldoinyo Lengai volcano (Tanzania). Journal of African Earth Sciences, 142, 193-206.

ⓘ Alumoåkermanite (TL)

Formula: (CaNa)Al[Si₂O₇]

Type Locality:

References:

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 (3) 373-384 doi:10.1180/minmag.2009.073.3.373

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Andradite

Formula: Ca₃Fe³⁺₂(SiO₄)₃

References:

www.koeln.netsurf.de/~w.steffens/other.htm

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Andradite var. Melanite

Formula: Ca₃(Fe³⁺,Ti)₂(SiO₄)₃

ⓘ Anhydrite

Formula: CaSO₄

References:

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

www.koeln.netsurf.de/~w.steffens/other.htm

Mineralogical Magazine 1997 61 : 779-789

Mitchell, R. H. (1997). Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine, 61(6), 779-789.

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

ⓘ Aphthitalite

Formula: (K,Na)₃Na(SO₄)₂

References:

Mitchell, R.H. (2006) Mineralogy of stalactites formed by subaerial weathering of natrocarbonatite hornitos at Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 70: 437-444

ⓘ 'Apophyllite Group'

Formula: AB₄[Si₈O₂₂]X · 8H₂O

References:

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

References:

ⓘ Baryte

Formula: BaSO₄

References:

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ Barytolamprophyllite

Formula: (Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)

References:

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

ⓘ Calcite

Formula: CaCO₃

References:

Keller, J., & Zaitsev, A. N. (2006). Calciocarbonatite dykes at Oldoinyo Lengai, Tanzania: the fate of natrocarbonatite. The Canadian Mineralogist, 44(4), 857-876.

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ Celestine

Formula: SrSO₄

References:

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ 'Clinopyroxene Subgroup'

References:

ⓘ Combeite

Formula: Na_4.5Ca_3.5Si₆O_17.5(OH)_0.5

References:

www.koeln.netsurf.de/~w.steffens/other.htm

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

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.

ⓘ Cuspidine

Formula: Ca₈(Si₂O₇)₂F₄

Description: Occurs in a solid solution with niocalite.

References:

Mitchell, R.H. and Belton, F. (2004) Niocalite-cuspidine solid solution and manganoan monticellite from natrocarbonatite, Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 68: 787-799.

ⓘ Delhayelite

Formula: (Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O

References:

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

ⓘ Diopside

Formula: CaMgSi₂O₆

References:

Zaitsev (2012): Mineral chemistry and crystal structure of haüyne from the Oldoinyo Lengai volcano, northern Tanzania. Eifel-Symposium 2012, "Variability and complexity of minerals and their synthetic analogues of the Vulkaneifel and related provinces”, Christian Albrechts University, Kiel, 23.04. - 30.04.2012.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Djerfisherite

Formula: K₆(Fe,Cu,Ni)₂₅S₂₆Cl

References:

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

References:

Keller, J., & Zaitsev, A. N. (2006). Calciocarbonatite dykes at Oldoinyo Lengai, Tanzania: the fate of natrocarbonatite. The Canadian Mineralogist, 44(4), 857-876.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Fluorite

Formula: CaF₂

References:

Mineralogical Magazine 1997 61 : 779-789

Mitchell, R. H. (1997). Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine, 61(6), 779-789.

Mitchell, R.H. (2000) "The July 2000 expedition to the natrocarbonatite volcano Oldoinyo Lengai. Newsletter of the Mineralogical Association of Canada, # 63 (Dec. 2000).

Keller, J., & Zaitsev, A. N. (2006). Calciocarbonatite dykes at Oldoinyo Lengai, Tanzania: the fate of natrocarbonatite. The Canadian Mineralogist, 44(4), 857-876.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Forsterite

Formula: Mg₂SiO₄

References:

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Galena

Formula: PbS

References:

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

References:

ⓘ Gaylussite

Formula: Na₂Ca(CO₃)₂ · 5H₂O

References:

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ Gregoryite (TL)

Formula: (Na₂,K₂,Ca)CO₃

Type Locality:

References:

Mineralogical Magazine 1997 61 : 779-789

Lithos 13 (1980), 213

American Mineralogist, 66, pp. 879 (1981)

Mitchell, R. H. (1997). Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine, 61(6), 779-789.

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

References:

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ Halite

Formula: NaCl

References:

Mitchell, R.H. (2006) Mineralogy of stalactites formed by subaerial weathering of natrocarbonatite hornitos at Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 70: 437-444

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

Mitchell, R. H. (2006). An ephemeral pentasodium phosphate carbonate from natrocarbonatite lapilli, Oldoinyo Lengai, Tanzania. Mineralogical Magazine, 70(2), 211-218.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Haüyne

Formula: Na₃Ca(Si₃Al₃)O₁₂(SO₄)

References:

ⓘ Jörgkellerite (TL)

Formula: (Na,◻)₃Mn³⁺₃(PO₄)₂(CO₃)(O,OH)₂ · 5H₂O

Type Locality:

References:

Mineralogical Magazine, 79, 941-947

Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2015) New minerals and nomenclature modifications approved in 2015, CNMNC Newsletter 26. Mineralogical Magazine, 79 (4) 941-947 doi:10.1180/minmag.2015.079.4.05

Zaitsev, Anatoly N., Britvin, Sergey N., Kearsley, Anton, Wenzel, Thomas, Kirk, Caroline (2017) Jörgkellerite, Na₃Mn³⁺₃(PO₄)₂(CO₃)O₂·5H₂O, a new layered phosphate-carbonate mineral from the Oldoinyo Lengai volcano, Gregory rift, northern Tanzania. Mineralogy and Petrology, 111 (3) 373-381 doi:10.1007/s00710-016-0487-6

ⓘ Kalicinite

Formula: KHCO₃

References:

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ Kogarkoite

Formula: Na₃(SO₄)F

References:

Mitchell, R.H. (2006) Mineralogy of stalactites formed by subaerial weathering of natrocarbonatite hornitos at Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 70: 437-444

ⓘ Lamprophyllite

Formula: (Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂

References:

www.koeln.netsurf.de/~w.steffens/other.htm

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

ⓘ Larnite

Formula: Ca₂SiO₄

References:

Martínez-Frías, J., Benito, R., Wilson, G., Delgado, A., Boyd, T., and Marti, K. (2004): Journal of Materials Processing Technology 147, 204–210.

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

Keller, J., & Zaitsev, A. N. (2006). Calciocarbonatite dykes at Oldoinyo Lengai, Tanzania: the fate of natrocarbonatite. The Canadian Mineralogist, 44(4), 857-876.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Magnetite var. Titanium-bearing Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

References:

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ 'Melilite Group'

Formula: Ca₂M(XSiO₇)

References:

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

ⓘ Monohydrocalcite

Formula: CaCO₃ · H₂O

References:

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ Monticellite

Formula: CaMgSiO₄

Description: Manganoan variety.

References:

Mitchell, R.H. and Belton, F. (2004) Niocalite-cuspidine solid solution and manganoan monticellite from natrocarbonatite, Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 68: 787-799.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

ⓘ Nahcolite

Formula: NaHCO₃

References:

Mitchell, R.H. (2006) Mineralogy of stalactites formed by subaerial weathering of natrocarbonatite hornitos at Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 70: 437-444

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ Neighborite

Formula: NaMgF₃

References:

Mitchell, R.H. (1997) Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine: 61: 779-789.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

References:

www.koeln.netsurf.de/~w.steffens/other.htm

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Niocalite

Formula: (Ca,Nb)₄(Si₂O₇)(O,OH,F)₂

Description: Occurs in a solid solution with cuspidine.

References:

Mitchell, R.H. and Belton, F. (2004) Niocalite-cuspidine solid solution and manganoan monticellite from natrocarbonatite, Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 68: 787-799.

ⓘ Nyerereite (TL)

Formula: Na₂Ca(CO₃)₂

Type Locality:

Description: Carbonatite lava, 1963 flow.

References:

Mineralogical Magazine 1997 61 : 779-789

Geol.Soc.Amer.,Progr. Annual. Meet.(1968) 202

McKie, D., Frankis, E.J. (1977) Nyerereite: A new volcanic carbonate mineral from Oldoinyo Lengai, Tanzania. Zeitschrift für Kristallographie: 145: 73-95.

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Parascandolaite ?

Formula: KMgF₃

References:

Mitchell, R.H. (1997): Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine: 61: 779-789

ⓘ Pentlandite

Formula: (Ni_xFe_y)_Σ9S₈

References:

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Perovskite

Formula: CaTiO₃

References:

www.koeln.netsurf.de/~w.steffens/other.htm

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

ⓘ Phlogopite

Formula: KMg₃(AlSi₃O₁₀)(OH)₂

References:

ⓘ Pirssonite

Formula: Na₂Ca(CO₃)₂ · 2H₂O

References:

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ Pyrrhotite

Formula: Fe_1-xS

References:

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Quartz

Formula: SiO₂

References:

ⓘ Rasvumite

Formula: KFe₂S₃

References:

Jago, B. C., & Gittins, J. (1999). Mn-and F-bearing rasvumite in natrocarbonatite at Oldoinyo Lengai volcano, Tanzania. Mineralogical Magazine, 63(1), 53-55.

ⓘ Rhodesite

Formula: KHCa₂Si₈O₁₉ · 5H₂O

References:

Tony Peterson Collection

analysis by S. Wolfsreid

ⓘ Sanidine

Formula: K(AlSi₃O₈)

References:

ⓘ Schairerite

Formula: Na₂₁(SO₄)₇ClF₆

References:

Mitchell, R.H. (2006) Mineralogy of stalactites formed by subaerial weathering of natrocarbonatite hornitos at Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 70: 437-444

ⓘ Sellaite

Formula: MgF₂

References:

Mineralogical Magazine 1997 61 : 779-789

Mitchell, R. H. (1997). Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine, 61(6), 779-789.

ⓘ Shortite

Formula: Na₂Ca₂(CO₃)₃

References:

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ Sodalite

Formula: Na₄(Si₃Al₃)O₁₂Cl

References:

www.koeln.netsurf.de/~w.steffens/other.htm

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

ⓘ Sphalerite

Formula: ZnS

References:

Mineralogical Magazine 1997 61 : 779-789

Mitchell, R. H. (1997). Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine, 61(6), 779-789.

ⓘ Spinel

Formula: MgAl₂O₄

References:

www.koeln.netsurf.de/~w.steffens/other.htm

ⓘ Sulphur

Formula: S₈

References:

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

ⓘ Sylvite

Formula: KCl

References:

Mitchell, R. H. (1997). Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine, 61(6), 779-789.

Mitchell, R.H. (2006) Mineralogy of stalactites formed by subaerial weathering of natrocarbonatite hornitos at Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 70: 437-444

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

Mitchell, R. H. (2006). An ephemeral pentasodium phosphate carbonate from natrocarbonatite lapilli, Oldoinyo Lengai, Tanzania. Mineralogical Magazine, 70(2), 211-218.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Thénardite

Formula: Na₂SO₄

References:

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Thermonatrite

Formula: Na₂CO₃ · H₂O

References:

Mitchell, R.H. (2006) Mineralogy of stalactites formed by subaerial weathering of natrocarbonatite hornitos at Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 70: 437-444

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

Mitchell, R. H. (2006). An ephemeral pentasodium phosphate carbonate from natrocarbonatite lapilli, Oldoinyo Lengai, Tanzania. Mineralogical Magazine, 70(2), 211-218.

ⓘ Tilleyite ?

Formula: Ca₅(Si₂O₇)(CO₃)₂

References:

Mineralogical Magazine 1997 61 : 779-789

Mitchell, R. H. (1997). Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine, 61(6), 779-789.

ⓘ Titanite

Formula: CaTi(SiO₄)O

References:

www.koeln.netsurf.de/~w.steffens/other.htm

ⓘ Trona

Formula: Na₃H(CO₃)₂ · 2H₂O

References:

Mitchell, R.H. (2006) Mineralogy of stalactites formed by subaerial weathering of natrocarbonatite hornitos at Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 70: 437-444

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

Mitchell, R. H. (2006). An ephemeral pentasodium phosphate carbonate from natrocarbonatite lapilli, Oldoinyo Lengai, Tanzania. Mineralogical Magazine, 70(2), 211-218.

ⓘ 'UM1995-02-CO:BaCaClFKMgNaSr'

Formula: (Na₂,Ba,Ca,Sr,Mg,K₂)(CO₃)

References:

Mitchell, R.H. (1997): Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine: 61: 779-789

ⓘ 'UM1997-44-S:FeK'

Formula: K_1-2Fe_2-3S_3-4

References:

doi.org (n.d.) https://doi.org/10.1180/minmag.1997.061.409.03

Mitchell, R.H. (1997): Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineral. Mag.: 61(409): 779-789

ⓘ 'UM2006-01-COPO:FNa'

Formula: (Na,◻)₅(PO₄)(CO₃,F,Cl)

References:

Mitchell, R.H. (2005): An ephemeral pentasodium phosphate carbonate from natrocarbonatite lapilli, Oldoinyo Lengai, Tanzania. Mineral. Mag.: 70(1): 211-218

ⓘ 'Unnamed (K sulfides solid solution)'

Formula: KFe₃S₄ - K₂Fe₃S₄ - KFe₂S₃

References:

Mitchell, R.H. (1997): Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine: 61: 779-789

ⓘ Villiaumite

Formula: NaF

References:

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Witherite

Formula: BaCO₃

References:

Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197

ⓘ Wollastonite

Formula: Ca₃(Si₃O₉)

References:

www.koeln.netsurf.de/~w.steffens/other.htm

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

Gallery:

(Na₂,K₂,Ca)CO₃ⓘ Gregoryite (TL)

Gregoryite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Gregoryite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Gregoryite, etc.

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

KHCa₂Si₈O₁₉ · 5H₂Oⓘ Rhodesite

Rhodesite

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Rhodesite

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Rhodesite

Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Sulphur	1.CC.05	S₈
Group 2 - Sulphides and Sulfosalts
ⓘ	Pentlandite	2.BB.15	(Ni_xFe_y)_Σ9S₈
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Alabandite	2.CD.10	MnS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Rasvumite	2.FB.20	KFe₂S₃
ⓘ	Djerfisherite	2.FC.05	K₆(Fe,Cu,Ni)₂₅S₂₆Cl
Group 3 - Halides
ⓘ	Villiaumite	3.AA.20	NaF
ⓘ	Sylvite	3.AA.20	KCl
ⓘ	Halite	3.AA.20	NaCl
ⓘ	Parascandolaite ?	3.AA.35	KMgF₃
ⓘ	Neighborite	3.AA.35	NaMgF₃
ⓘ	Sellaite	3.AB.15	MgF₂
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Spinel	4.BB.05	MgAl₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	var. Titanium-bearing Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
ⓘ	Perovskite	4.CC.30	CaTiO₃
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Gregoryite (TL)	5.AA.10	(Na₂,K₂,Ca)CO₃
ⓘ	Nahcolite	5.AA.15	NaHCO₃
ⓘ	Kalicinite	5.AA.20	KHCO₃
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Witherite	5.AB.15	BaCO₃
ⓘ	Nyerereite (TL)	5.AC.10	Na₂Ca(CO₃)₂
ⓘ	Shortite	5.AC.25	Na₂Ca₂(CO₃)₃
ⓘ	Thermonatrite	5.CB.05	Na₂CO₃ · H₂O
ⓘ	Trona	5.CB.15	Na₃H(CO₃)₂ · 2H₂O
ⓘ	Monohydrocalcite	5.CB.20	CaCO₃ · H₂O
ⓘ	Pirssonite	5.CB.30	Na₂Ca(CO₃)₂ · 2H₂O
ⓘ	Gaylussite	5.CB.35	Na₂Ca(CO₃)₂ · 5H₂O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Aphthitalite	7.AC.35	(K,Na)₃Na(SO₄)₂
ⓘ	Thénardite	7.AD.25	Na₂SO₄
ⓘ	Anhydrite	7.AD.30	CaSO₄
ⓘ	Celestine	7.AD.35	SrSO₄
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Schairerite	7.BD.10	Na₂₁(SO₄)₇ClF₆
ⓘ	Kogarkoite	7.BD.15	Na₃(SO₄)F
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
ⓘ	Jörgkellerite (TL)	8.DO.50	(Na,◻)₃Mn³⁺₃(PO₄)₂(CO₃)(O,OH)₂ · 5H₂O
Group 9 - Silicates
ⓘ	Forsterite	9.AC.05	Mg₂SiO₄
ⓘ	Monticellite	9.AC.10	CaMgSiO₄
ⓘ	Larnite	9.AD.05	Ca₂SiO₄
ⓘ	Andradite var. Melanite	9.AD.25	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
ⓘ		9.AD.25	Ca₃Fe³⁺₂(SiO₄)₃
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Alumoåkermanite (TL)	9.BB.10	(CaNa)Al[Si₂O₇]
ⓘ	Niocalite	9.BE.17	(Ca,Nb)₄(Si₂O₇)(O,OH,F)₂
ⓘ	Cuspidine	9.BE.17	Ca₈(Si₂O₇)₂F₄
ⓘ	Lamprophyllite	9.BE.25	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
ⓘ	Barytolamprophyllite	9.BE.25	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
ⓘ	Tilleyite ?	9.BE.82	Ca₅(Si₂O₇)(CO₃)₂
ⓘ	Combeite	9.CJ.15a	Na_4.5Ca_3.5Si₆O_17.5(OH)_0.5
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Aegirine-augite	9.DA.20	(Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Wollastonite	9.DG.05	Ca₃(Si₃O₉)
ⓘ	Rhodesite	9.EB.05	KHCa₂Si₈O₁₉ · 5H₂O
ⓘ	Delhayelite	9.EB.10	(Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Sanidine	9.FA.30	K(AlSi₃O₈)
ⓘ	Sodalite	9.FB.10	Na₄(Si₃Al₃)O₁₂Cl
ⓘ	Haüyne	9.FB.10	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Unclassified
ⓘ	'UM1997-44-S:FeK'	-	K_1-2Fe_2-3S_3-4
ⓘ	'UM1995-02-CO:BaCaClFKMgNaSr'	-	(Na₂,Ba,Ca,Sr,Mg,K₂)(CO₃)
ⓘ	'Unnamed (K sulfides solid solution)'	-	KFe₃S₄ - K₂Fe₃S₄ - KFe₂S₃
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Apophyllite Group'	-	AB₄[Si₈O₂₂]X · 8H₂O
ⓘ	'Melilite Group'	-	Ca₂M(XSiO₇)
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'UM2006-01-COPO:FNa'	-	(Na,◻)₅(PO₄)(CO₃,F,Cl)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Apophyllite Group	AB₄[Si₈O₂₂]X · 8H₂O
H	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
H	ⓘ Combeite	Na_4.5Ca_3.5Si₆O_17.5(OH)_0.5
H	ⓘ Delhayelite	(Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O
H	ⓘ Gaylussite	Na₂Ca(CO₃)₂ · 5H₂O
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Kalicinite	KHCO₃
H	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
H	ⓘ Monohydrocalcite	CaCO₃ · H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Nahcolite	NaHCO₃
H	ⓘ Niocalite	(Ca,Nb)₄(Si₂O₇)(O,OH,F)₂
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
H	ⓘ Pirssonite	Na₂Ca(CO₃)₂ · 2H₂O
H	ⓘ Rhodesite	KHCa₂Si₈O₁₉ · 5H₂O
H	ⓘ Thermonatrite	Na₂CO₃ · H₂O
H	ⓘ Trona	Na₃H(CO₃)₂ · 2H₂O
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
H	ⓘ Jörgkellerite	(Na,◻)₃Mn₃³⁺(PO₄)₂(CO₃)(O,OH)₂ · 5H₂O
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Gaylussite	Na₂Ca(CO₃)₂ · 5H₂O
C	ⓘ Kalicinite	KHCO₃
C	ⓘ Monohydrocalcite	CaCO₃ · H₂O
C	ⓘ Nahcolite	NaHCO₃
C	ⓘ Nyerereite	Na₂Ca(CO₃)₂
C	ⓘ Pirssonite	Na₂Ca(CO₃)₂ · 2H₂O
C	ⓘ Shortite	Na₂Ca₂(CO₃)₃
C	ⓘ Thermonatrite	Na₂CO₃ · H₂O
C	ⓘ Tilleyite	Ca₅(Si₂O₇)(CO₃)₂
C	ⓘ Trona	Na₃H(CO₃)₂ · 2H₂O
C	ⓘ Witherite	BaCO₃
C	ⓘ Gregoryite	(Na₂,K₂,Ca)CO₃
C	ⓘ Jörgkellerite	(Na,◻)₃Mn₃³⁺(PO₄)₂(CO₃)(O,OH)₂ · 5H₂O
C	ⓘ UM1995-02-CO:BaCaClFKMgNaSr	(Na₂,Ba,Ca,Sr,Mg,K₂)(CO₃)
C	ⓘ UM2006-01-COPO:FNa	(Na,◻)₅(PO₄)(CO₃,F,Cl)
O	Oxygen
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
O	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
O	ⓘ Anhydrite	CaSO₄
O	ⓘ Aphthitalite	(K,Na)₃Na(SO₄)₂
O	ⓘ Apophyllite Group	AB₄[Si₈O₂₂]X · 8H₂O
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Celestine	SrSO₄
O	ⓘ Combeite	Na_4.5Ca_3.5Si₆O_17.5(OH)_0.5
O	ⓘ Cuspidine	Ca₈(Si₂O₇)₂F₄
O	ⓘ Delhayelite	(Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Forsterite	Mg₂SiO₄
O	ⓘ Gaylussite	Na₂Ca(CO₃)₂ · 5H₂O
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
O	ⓘ Kogarkoite	Na₃(SO₄)F
O	ⓘ Kalicinite	KHCO₃
O	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
O	ⓘ Larnite	Ca₂SiO₄
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Monohydrocalcite	CaCO₃ · H₂O
O	ⓘ Monticellite	CaMgSiO₄
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Nahcolite	NaHCO₃
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Niocalite	(Ca,Nb)₄(Si₂O₇)(O,OH,F)₂
O	ⓘ Nyerereite	Na₂Ca(CO₃)₂
O	ⓘ Perovskite	CaTiO₃
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Pirssonite	Na₂Ca(CO₃)₂ · 2H₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Rhodesite	KHCa₂Si₈O₁₉ · 5H₂O
O	ⓘ Sanidine	K(AlSi₃O₈)
O	ⓘ Schairerite	Na₂₁(SO₄)₇ClF₆
O	ⓘ Shortite	Na₂Ca₂(CO₃)₃
O	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
O	ⓘ Spinel	MgAl₂O₄
O	ⓘ Thénardite	Na₂SO₄
O	ⓘ Thermonatrite	Na₂CO₃ · H₂O
O	ⓘ Tilleyite	Ca₅(Si₂O₇)(CO₃)₂
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
O	ⓘ Trona	Na₃H(CO₃)₂ · 2H₂O
O	ⓘ Witherite	BaCO₃
O	ⓘ Wollastonite	Ca₃(Si₃O₉)
O	ⓘ Gregoryite	(Na₂,K₂,Ca)CO₃
O	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Melilite Group	Ca₂M(XSiO₇)
O	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
O	ⓘ Jörgkellerite	(Na,◻)₃Mn₃³⁺(PO₄)₂(CO₃)(O,OH)₂ · 5H₂O
O	ⓘ UM1995-02-CO:BaCaClFKMgNaSr	(Na₂,Ba,Ca,Sr,Mg,K₂)(CO₃)
O	ⓘ UM2006-01-COPO:FNa	(Na,◻)₅(PO₄)(CO₃,F,Cl)
F	Fluorine
F	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
F	ⓘ Cuspidine	Ca₈(Si₂O₇)₂F₄
F	ⓘ Delhayelite	(Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Fluorite	CaF₂
F	ⓘ Kogarkoite	Na₃(SO₄)F
F	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
F	ⓘ Neighborite	NaMgF₃
F	ⓘ Niocalite	(Ca,Nb)₄(Si₂O₇)(O,OH,F)₂
F	ⓘ Schairerite	Na₂₁(SO₄)₇ClF₆
F	ⓘ Sellaite	MgF₂
F	ⓘ Villiaumite	NaF
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	ⓘ Parascandolaite	KMgF₃
F	ⓘ UM2006-01-COPO:FNa	(Na,◻)₅(PO₄)(CO₃,F,Cl)
Na	Sodium
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Na	ⓘ Aphthitalite	(K,Na)₃Na(SO₄)₂
Na	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Na	ⓘ Combeite	Na_4.5Ca_3.5Si₆O_17.5(OH)_0.5
Na	ⓘ Delhayelite	(Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O
Na	ⓘ Gaylussite	Na₂Ca(CO₃)₂ · 5H₂O
Na	ⓘ Halite	NaCl
Na	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Na	ⓘ Kogarkoite	Na₃(SO₄)F
Na	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Na	ⓘ Nahcolite	NaHCO₃
Na	ⓘ Neighborite	NaMgF₃
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Nyerereite	Na₂Ca(CO₃)₂
Na	ⓘ Pirssonite	Na₂Ca(CO₃)₂ · 2H₂O
Na	ⓘ Schairerite	Na₂₁(SO₄)₇ClF₆
Na	ⓘ Shortite	Na₂Ca₂(CO₃)₃
Na	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Na	ⓘ Thénardite	Na₂SO₄
Na	ⓘ Thermonatrite	Na₂CO₃ · H₂O
Na	ⓘ Trona	Na₃H(CO₃)₂ · 2H₂O
Na	ⓘ Villiaumite	NaF
Na	ⓘ Gregoryite	(Na₂,K₂,Ca)CO₃
Na	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
Na	ⓘ Jörgkellerite	(Na,◻)₃Mn₃³⁺(PO₄)₂(CO₃)(O,OH)₂ · 5H₂O
Na	ⓘ UM1995-02-CO:BaCaClFKMgNaSr	(Na₂,Ba,Ca,Sr,Mg,K₂)(CO₃)
Na	ⓘ UM2006-01-COPO:FNa	(Na,◻)₅(PO₄)(CO₃,F,Cl)
Mg	Magnesium
Mg	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Forsterite	Mg₂SiO₄
Mg	ⓘ Monticellite	CaMgSiO₄
Mg	ⓘ Neighborite	NaMgF₃
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Mg	ⓘ Sellaite	MgF₂
Mg	ⓘ Spinel	MgAl₂O₄
Mg	ⓘ Parascandolaite	KMgF₃
Mg	ⓘ UM1995-02-CO:BaCaClFKMgNaSr	(Na₂,Ba,Ca,Sr,Mg,K₂)(CO₃)
Al	Aluminium
Al	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Al	ⓘ Delhayelite	(Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O
Al	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	ⓘ Sanidine	K(AlSi₃O₈)
Al	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Al	ⓘ Spinel	MgAl₂O₄
Al	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
Si	Silicon
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Si	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Si	ⓘ Apophyllite Group	AB₄[Si₈O₂₂]X · 8H₂O
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Si	ⓘ Combeite	Na_4.5Ca_3.5Si₆O_17.5(OH)_0.5
Si	ⓘ Cuspidine	Ca₈(Si₂O₇)₂F₄
Si	ⓘ Delhayelite	(Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Forsterite	Mg₂SiO₄
Si	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Si	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Si	ⓘ Larnite	Ca₂SiO₄
Si	ⓘ Monticellite	CaMgSiO₄
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Niocalite	(Ca,Nb)₄(Si₂O₇)(O,OH,F)₂
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Rhodesite	KHCa₂Si₈O₁₉ · 5H₂O
Si	ⓘ Sanidine	K(AlSi₃O₈)
Si	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Si	ⓘ Tilleyite	Ca₅(Si₂O₇)(CO₃)₂
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Wollastonite	Ca₃(Si₃O₉)
Si	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Melilite Group	Ca₂M(XSiO₇)
Si	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
P	ⓘ Jörgkellerite	(Na,◻)₃Mn₃³⁺(PO₄)₂(CO₃)(O,OH)₂ · 5H₂O
P	ⓘ UM2006-01-COPO:FNa	(Na,◻)₅(PO₄)(CO₃,F,Cl)
S	Sulfur
S	ⓘ Alabandite	MnS
S	ⓘ Anhydrite	CaSO₄
S	ⓘ Aphthitalite	(K,Na)₃Na(SO₄)₂
S	ⓘ Baryte	BaSO₄
S	ⓘ Celestine	SrSO₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Delhayelite	(Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O
S	ⓘ Djerfisherite	K₆(Fe,Cu,Ni)₂₅S₂₆Cl
S	ⓘ Galena	PbS
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
S	ⓘ Kogarkoite	Na₃(SO₄)F
S	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Rasvumite	KFe₂S₃
S	ⓘ Schairerite	Na₂₁(SO₄)₇ClF₆
S	ⓘ Sphalerite	ZnS
S	ⓘ Sulphur	S₈
S	ⓘ Thénardite	Na₂SO₄
S	ⓘ UM1997-44-S:FeK	K_1-2Fe_2-3S_3-4
Cl	Chlorine
Cl	ⓘ Delhayelite	(Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O
Cl	ⓘ Djerfisherite	K₆(Fe,Cu,Ni)₂₅S₂₆Cl
Cl	ⓘ Halite	NaCl
Cl	ⓘ Schairerite	Na₂₁(SO₄)₇ClF₆
Cl	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Cl	ⓘ Sylvite	KCl
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Cl	ⓘ UM2006-01-COPO:FNa	(Na,◻)₅(PO₄)(CO₃,F,Cl)
K	Potassium
K	ⓘ Aphthitalite	(K,Na)₃Na(SO₄)₂
K	ⓘ Delhayelite	(Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O
K	ⓘ Djerfisherite	K₆(Fe,Cu,Ni)₂₅S₂₆Cl
K	ⓘ Kalicinite	KHCO₃
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
K	ⓘ Rasvumite	KFe₂S₃
K	ⓘ Rhodesite	KHCa₂Si₈O₁₉ · 5H₂O
K	ⓘ Sanidine	K(AlSi₃O₈)
K	ⓘ Sylvite	KCl
K	ⓘ Gregoryite	(Na₂,K₂,Ca)CO₃
K	ⓘ Parascandolaite	KMgF₃
K	ⓘ UM1995-02-CO:BaCaClFKMgNaSr	(Na₂,Ba,Ca,Sr,Mg,K₂)(CO₃)
K	ⓘ UM1997-44-S:FeK	K_1-2Fe_2-3S_3-4
Ca	Calcium
Ca	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Ca	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Ca	ⓘ Anhydrite	CaSO₄
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Combeite	Na_4.5Ca_3.5Si₆O_17.5(OH)_0.5
Ca	ⓘ Cuspidine	Ca₈(Si₂O₇)₂F₄
Ca	ⓘ Delhayelite	(Na,K)₁₀Ca₅Al₆Si₃₂O₈₀(Cl₂,F₂,SO₄)₃ · 18H₂O
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Gaylussite	Na₂Ca(CO₃)₂ · 5H₂O
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Ca	ⓘ Larnite	Ca₂SiO₄
Ca	ⓘ Monohydrocalcite	CaCO₃ · H₂O
Ca	ⓘ Monticellite	CaMgSiO₄
Ca	ⓘ Niocalite	(Ca,Nb)₄(Si₂O₇)(O,OH,F)₂
Ca	ⓘ Nyerereite	Na₂Ca(CO₃)₂
Ca	ⓘ Perovskite	CaTiO₃
Ca	ⓘ Pirssonite	Na₂Ca(CO₃)₂ · 2H₂O
Ca	ⓘ Rhodesite	KHCa₂Si₈O₁₉ · 5H₂O
Ca	ⓘ Shortite	Na₂Ca₂(CO₃)₃
Ca	ⓘ Tilleyite	Ca₅(Si₂O₇)(CO₃)₂
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Wollastonite	Ca₃(Si₃O₉)
Ca	ⓘ Gregoryite	(Na₂,K₂,Ca)CO₃
Ca	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ca	ⓘ Melilite Group	Ca₂M(XSiO₇)
Ca	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
Ca	ⓘ UM1995-02-CO:BaCaClFKMgNaSr	(Na₂,Ba,Ca,Sr,Mg,K₂)(CO₃)
Ti	Titanium
Ti	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Ti	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Ti	ⓘ Perovskite	CaTiO₃
Ti	ⓘ Titanite	CaTi(SiO₄)O
Ti	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Ti	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Mn	Manganese
Mn	ⓘ Alabandite	MnS
Mn	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Mn	ⓘ Jörgkellerite	(Na,◻)₃Mn₃³⁺(PO₄)₂(CO₃)(O,OH)₂ · 5H₂O
Fe	Iron
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Fe	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Djerfisherite	K₆(Fe,Cu,Ni)₂₅S₂₆Cl
Fe	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Rasvumite	KFe₂S₃
Fe	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Fe	ⓘ UM1997-44-S:FeK	K_1-2Fe_2-3S_3-4
Ni	Nickel
Ni	ⓘ Djerfisherite	K₆(Fe,Cu,Ni)₂₅S₂₆Cl
Ni	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Djerfisherite	K₆(Fe,Cu,Ni)₂₅S₂₆Cl
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Sr	Strontium
Sr	ⓘ Celestine	SrSO₄
Sr	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Sr	ⓘ UM1995-02-CO:BaCaClFKMgNaSr	(Na₂,Ba,Ca,Sr,Mg,K₂)(CO₃)
Nb	Niobium
Nb	ⓘ Niocalite	(Ca,Nb)₄(Si₂O₇)(O,OH,F)₂
Ba	Barium
Ba	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Ba	ⓘ Baryte	BaSO₄
Ba	ⓘ Witherite	BaCO₃
Ba	ⓘ UM1995-02-CO:BaCaClFKMgNaSr	(Na₂,Ba,Ca,Sr,Mg,K₂)(CO₃)
Pb	Lead
Pb	ⓘ Galena	PbS

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Ol_Doinyo_Lengai
Wikidata ID:	Q746787
GeoNames ID:	156008

Other Regions, Features and Areas containing this locality

Africa

East African Rift System (EARS)Zone (Tectonic)

African Plate

Eyasi-Wembere-South Gregory Rift basinBasin

Somali PlateTectonic Plate

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References

Guest, N.J. (1956) The volcanic activity of Oldoinyo L'Engai, 1954. Rec. Geol. Surv. Tanganyika: 4: 56-59

Dawson, J.B. (1962) Sodium carbonatite lavas from Oldoinyo Lengai, Tanganyika. Nature: 195: 1075-1076

Milton, C. (1968) The "natro-carbonatite lava" of Oldoinyo Lengai, Tanzania. Geological Society of America Special Paper 121: 202 (abstract)

Peterson, T.D. (1986) Sodium metasomatism and mineral stabilities in alkaline ultramafic rocks: implications for the origin of the sodic lavas of Oldoinyo Lengai. Eos: 67: 617 (abstract)

Peterson, T.D. (1989) Peralkaline nephelinites II. Low pressure fractionation and the hypersodic lavas of Oldoinyo Lengai. Contributions to Mineralogy and Petrology: 102: 336-346

Peterson, T.D. (1990) Petrology and genesis of natrocarbonatite. Contributions to Mineralogy and Petrology: 105: 143-155

Mitchell, R.H. (1997) Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine: 61: 779-789

Dawson, J. B. (1998). Peralkaline nephelinite–natrocarbonatite relationships at Oldoinyo Lengai, Tanzania. Journal of Petrology, 39(11-12), 2077-2094.

Dawson, J.B. and Hll, P.G. (1998) Mineral chemistry of peralkaline combeite-lamprophyllite nephelinite from Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 62: 179-196

Pettibon, C.M., Kjarsgaard, B.A., Jenner, G.A., and Jackson, S.E. (1998) Phase relationships of a silicate-bearing natrocarbonatite from Oldoinyo Lengai at 20 and 1000 MPa. Journal of Petrology: 39: 2137-2151

Jago, B. C., & Gittins, J. (1999). Mn-and F-bearing rasvumite in natrocarbonatite at Oldoinyo Lengai volcano, Tanzania. Mineralogical Magazine, 63(1), 53-55.

Genge MJ, Balme B, Jones AP (2001): Salt-bearing fumarole deposits in the summit crater of Oldoinyo Lengai, Northern Tanzania: Interactions between natrocarbonate lava and meteoric water. J. Volcanology 106, 111-122.

www.earlham.edu (n.d.) http://www.earlham.edu/~graveti/oldoinyolengai.htm

Mitchell, R.H. and Belton, F. (2004) Niocalite-cuspidine solid solution and manganoan monticellite from natrocarbonatite, Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 68: 787-799

Mitchell, R.H. (2006) Mineralogy of stalactites formed by subaerial weathering of natrocarbonatite hornitos at Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 70: 437-444

Mitchell, R. H. (2006). An ephemeral pentasodium phosphate carbonate from natrocarbonatite lapilli, Oldoinyo Lengai, Tanzania. Mineralogical Magazine, 70(2), 211-218.

Keller, J., & Zaitsev, A. N. (2006). Calciocarbonatite dykes at Oldoinyo Lengai, Tanzania: the fate of natrocarbonatite. The Canadian Mineralogist, 44(4), 857-876.

Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.

Dawson, B. (2008): A volcanic voyage of discovery. Elements, 4, 138-139

Anatoly N. Zaitsev, A.N., Zaitseva, O.A., Buyko, A.K., Keller, J., Klaudius, J. and Zolotarev. (2009). Gem-quality yellow-green hauyne from Oldoinyo Lengai volcano, Nothern Tanzania. Gems & Gemology, 45(3), 200-203.

Sherrod, D.R., Magigita., M.M., & Kwelwa, S., (2013). Geologic map of Oldonyo [sic] Lengai volcano and surroundings, Arusha region, United Republic of Tanzania. U.S.G.S. Open File Report 2013-1306.

Bosshard-Stadlin, S. A., Mattsson, H. B., & Keller, J. (2014). Magma mixing and forced exsolution of CO 2 during the explosive 2007–2008 eruption of Oldoinyo Lengai (Tanzania). Journal of Volcanology and Geothermal Research, 285, 229-246.

Sekisova, V. S.; Sharygin, V. V.; Zaitsev, A. N.; Strekopytov, S. (2015): Liquid immiscibility during crystallization of forsterite-phlogopite ijolites at oldoinyo lengai volcano, Tanzania: study of melt inclusions. Geologiya i Geofizika 56(12), 2173-2197 (in Russian).

Perova, E. N.; Zaitsev, A. N. (2016): Thermodynamic analysis of stability of secondary minerals in altered carbonatites of the Oldoinyo Lengai volcano, Northern Tanzania. Zapiski Rossiiskogo Mineralogicheskogo Obshchestva 145(3), 1-13 (in Russian).

Potter NJ, Kamenetsky VS, Simonetti A, Goemann K, (2017) Different types of liquid immiscibility in carbonatite magmas: a case study of the Oldoinyo Lengai 1993 lava and melt inclusions. Chemical Geology, 455 pp. 376-384.

Mattsson, H. B.; Balashova, A.; Almqvist, B. S. G.; Bosshard-Stadlin, S. A.; Weidendorfer, D. (2018): Magnetic mineralogy and rock magnetic properties of silicate and carbonatite rocks from Oldoinyo Lengai volcano (Tanzania). Journal of African Earth Sciences, 142, 193-206.

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Ol Doinyo Lengai, Ngorongoro District, Arusha region, TanzaniaiRegional Level TypesOl Doinyo LengaiVolcano Ngorongoro DistrictDistrict Arusha regionRegion TanzaniaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania i
Regional Level Types
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