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Simanjiro District, Manyara Region, Tanzaniai
Regional Level Types
Simanjiro DistrictDistrict
Manyara RegionRegion
TanzaniaCountry

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01822980017272064776746.jpg
Awful climb-down to the - 400 m level of the one of the Merelani Area tanzanite mine. Without an elevator, oxygen and safety facilities it was a relatively dangerous activity.

D-Block Mine, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
01822980017272064776746.jpg
Awful climb-down to the - 400 m level of the one of the Merelani Area tanzanite mine. Without an elevator, oxygen and safety facilities it was a relatively dangerous activity.

D-Block Mine, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
01822980017272064776746.jpg
Awful climb-down to the - 400 m level of the one of the Merelani Area tanzanite mine. Without an elevator, oxygen and safety facilities it was a relatively dangerous activity.

D-Block Mine, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
Largest Settlements:
PlacePopulation
Merelani50,000 (2008)
Naberera13,499 (2018)
Mindat Locality ID:
253099
Long-form identifier:
mindat:1:2:253099:7
GUID (UUID V4):
0
Other Languages:
Italian:
Distretto di Simanjiro, regione del Manyara, Tanzania
Cebuano:
Simanjiro, Manyara Region, Tanzania
Dutch:
Simanjiro, Manyara, Tanzania
Greek:
Περιοχή Σιμαντζίρο, Περιφέρεια Μανυάρα, Τανζανία
Swahili:
Simanjiro, Mkoa wa Manyara, Tanzania
Vietnamese:
Simanjiro, Manyara, Tanzania


Simanjiro District is one of the six districts of the Manyara Region of Tanzania.

It is bordered to the north by Arusha Region, to the northeast by Kilimanjaro Region, to the southeast by Tanga Region, to the south by Kiteto District, to the southwest by Dodoma Region and to the west by Babati Rural District.

The district headquarters are located in Orkesumet.

The area is home to significant tanzanite deposits, which are only found in northern Tanzania. Local miner Saniniu Laizer made headlines in 2020 after mining three stones and selling them for approximately $5.4 million.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

57 valid minerals. 3 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Colour: Golden brown to dark brown
Description: Gem quality actinolite has been found here. In the Warren Taylor Rainbow of Africa Gem collection is a 3.74 carat faceted stone.
ⓘ Alabandite
Formula: MnS
Habit: octahedral, cubic, cuboctahedaral
Colour: Grey, dark grey, grey-black to matt black
ⓘ Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘ Anhydrite
Formula: CaSO4
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ 'Apophyllite Group'
Formula: AB4[Si8O20]X · 8H2O
ⓘ Axinite-(Mg) (TL)
Formula: Ca2MgAl2BSi4O15OH
Fluorescence: Red
ⓘ Axinite-(Mn)
Formula: Ca2Mn2+Al2BSi4O15(OH)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chabazite'
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Clausthalite
Formula: PbSe
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Colusite
Formula: Cu13VAs3S16
ⓘ Corundum
Formula: Al2O3
ⓘ Corundum var. Ruby
Formula: Al2O3
ⓘ Diopside
Formula: CaMgSi2O6
Colour: colorless, green
Fluorescence: blue
ⓘ Diopside var. Chromium-bearing Diopside
Formula: Ca(Mg,Cr)Si2O6
ⓘ Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Description: A widely sold material from this locality is "chromdravite". EDS analysis shows that a typical specimen contained no chromium, but did have a small amount of vanadium (Tony Nikischer, 2011).
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
Colour: blue
Description: see especially Rocks and Minerals 88(2), 179-183 (2013).
ⓘ Fluorite
Formula: CaF2
Habit: cubeoctahedral
Colour: colorless, purple
ⓘ Galena
Formula: PbS
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Germanocolusite
Formula: Cu26V2(Ge,As)6S32
ⓘ Graphite
Formula: C
Localities: Reported from at least 9 localities in this region.
Habit: tabular hexagonal with dominant pinacoids but notable lustrous prisms also noted.
Colour: silvery gray
Description: very common at the locality but some of world's best crystals were discovered in a pocket with diopside and fluorapatite in late 2007. See Rocks and Minerals 88(2) (2014).
ⓘ Gravegliaite
Formula: Mn2+SO3 · 3H2O
ⓘ Grossular
Formula: Ca3Al2(SiO4)3
ⓘ Grossular var. Tsavorite (FRL)
Formula: Ca3Al2(SiO4)3
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Hematite
Formula: Fe2O3
ⓘ Heulandite-Ca
Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O
ⓘ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ Karelianite
Formula: V3+2O3
ⓘ 'K Feldspar'
ⓘ Kyanite
Formula: Al2(SiO4)O
ⓘ Laumontite
Formula: CaAl2Si4O12 · 4H2O
Habit: blocky
Colour: white
Description: associated with excellent gemmy green diopside and well-formed graphite crystals in an open pocket in December 2007
ⓘ Merelaniite (TL)
Formula: Mo4Pb4VSbS15
Type Locality:
ⓘ Mesolite
Formula: Na2Ca2Si9Al6O30 · 8H2O
Habit: acicular
Colour: white
Description: associated with excellent gemmy green diopside and well-formed graphite crystals in an open pocket in December 2007
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Millerite
Formula: NiS
ⓘ Molybdenite
Formula: MoS2
ⓘ Mukhinite
Formula: (CaCa)(AlAlV3+)O[Si2O7][SiO4](OH)
Description: Identified in epoxy mount FKM-26 as a single 50 micron rim surrounding an unidentified Cu-V-S mineral (sulvanite?), within massive vanadian tremolite (~1.7 wt% V) + calcite matrix. Additional minerals in sample include scattered phlogopite (~1.0 wt% V), minor clinochlore (~2 wt% V), minor quartz, minor goldmanite-grossular solid-solution, scattered graphite, minor vanadian titanite (~3.5 wt% V, and a minor unidentified Pb-V-As mineral. The mukhinite grain contains 9.25 wt% V and 3.3 wt% Cr.
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
ⓘ Native Sulphur
Formula: S8
References:
John A. Jaszczak collectionIdentified by John A. Jaszczak: SEM-EDS
ⓘ Natrolite
Formula: Na2Al2Si3O10 · 2H2O
ⓘ Opal
Formula: SiO2 · nH2O
Habit: Globular transparent coating on calcite with green Dravite. Fluorescent green in shortwave UV.
Fluorescence: green
ⓘ Pectolite
Formula: NaCa2Si3O8(OH)
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ Phlogopite var. Vanadium-bearing phlogopite
Formula: K(Mg,V3+)3(AlSi3O10)(OH)2
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
Colour: brassy
Description: Confirmed by Raman, SEM-EDS, and XRD by J. A. Jaszczak 10/2013
ⓘ Quartz
Formula: SiO2
ⓘ Rhodochrosite
Formula: MnCO3
Colour: brown
ⓘ Richardsite (TL)
Formula: Zn2CuGaS4
Type Locality:
ⓘ Rutile
Formula: TiO2
ⓘ 'Scapolite'
ⓘ Scolecite
Formula: CaAl2Si3O10 · 3H2O
ⓘ Siderite
Formula: FeCO3
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Sphalerite
Formula: ZnS
ⓘ Stannite
Formula: Cu2FeSnS4
ⓘ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
ⓘ Tainiolite
Formula: KLiMg2(Si4O10)F2
ⓘ Titanite
Formula: CaTiO(SiO4)
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ 'Tourmaline var. Chrome-Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
References:
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
ⓘ Tremolite var. Chrome-Tremolite
Formula: ◻{Ca2}{Mg5}(Si8O22)(OH)2
ⓘ Wurtzite
Formula: (Zn,Fe)S
Habit: hexagonal
Colour: orange brown
Description: The partly translucent to transparent wurtzite crystals from Merelani are generally 2–3 cm in size
ⓘ 'Wurtzite-4H'
Formula: ZnS
ⓘ Zircon
Formula: Zr(SiO4)
Description: Only seen and analyzed via SEM-EDS.
ⓘ Zoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Localities: Reported from at least 7 localities in this region.
Habit: Elongated prisms
Colour: Blue, purple, pink, yellow, green or multi-colored
ⓘ Zoisite var. Tanzanite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Localities: Reported from at least 7 localities in this region.
Description: Plates 79/80 from Wilson, Wendell. E.; Bartsch, Joel A.; Mauthner, Mark (2004) Masterpieces of the Mineral World. Houston Museum of Natural Science. [https://www.mindat.org/reference.php?id=18945017]

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGraphite1.CB.05aC
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘRichardsite (TL)2.CB.Zn2CuGaS4
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘStannite2.CB.15aCu2FeSnS4
ⓘColusite2.CB.30Cu13VAs3S16
ⓘGermanocolusite2.CB.30Cu26V2(Ge,As)6S32
ⓘWurtzite2.CB.45(Zn,Fe)S
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘMillerite2.CC.20NiS
ⓘAlabandite2.CD.10MnS
ⓘClausthalite2.CD.10PbSe
ⓘGalena2.CD.10PbS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘMerelaniite (TL)2.HF.25aMo4Pb4VSbS15
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘCorundum4.CB.05Al2O3
ⓘHematite4.CB.05Fe2O3
ⓘKarelianite4.CB.05V3+2O3
ⓘCorundum
var. Ruby
4.CB.05Al2O3
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘRutile4.DB.05TiO2
ⓘGravegliaite4.JE.05Mn2+SO3 · 3H2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘRhodochrosite5.AB.05MnCO3
ⓘSiderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnhydrite7.AD.30CaSO4
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘGrossular9.AD.25Ca3Al2(SiO4)3
ⓘvar. Tsavorite (TL)9.AD.25Ca3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘKyanite9.AF.15Al2(SiO4)O
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘAxinite-(Mg) (TL)9.BD.20Ca2MgAl2BSi4O15OH
ⓘAxinite-(Mn)9.BD.20Ca2Mn2+Al2BSi4O15(OH)
ⓘMukhinite9.BG.05a(CaCa)(AlAlV3+)O[Si2O7][SiO4](OH)
ⓘAllanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘZoisite
var. Tanzanite
9.BG.10(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘ9.BG.10(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘDravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘDiopside
var. Chromium-bearing Diopside
9.DA.15Ca(Mg,Cr)Si2O6
ⓘ9.DA.15CaMgSi2O6
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘvar. Chrome-Tremolite9.DE.10◻{Ca2}{Mg5}(Si8O22)(OH)2
ⓘPectolite9.DG.05NaCa2Si3O8(OH)
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
ⓘMuscovite
var. Fuchsite
9.EC.15K(Al,Cr)3Si3O10(OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘTainiolite9.EC.15KLiMg2(Si4O10)F2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘvar. Vanadium-bearing phlogopite9.EC.20K(Mg,V3+)3(AlSi3O10)(OH)2
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘMesolite9.GA.05Na2Ca2Si9Al6O30 · 8H2O
ⓘNatrolite9.GA.05Na2Al2Si3O10 · 2H2O
ⓘScolecite9.GA.05CaAl2Si3O10 · 3H2O
ⓘLaumontite9.GB.10CaAl2Si4O12 · 4H2O
ⓘHeulandite-Ca9.GE.05(Ca,Na)5(Si27Al9)O72 · 26H2O
Unclassified
ⓘ'Apophyllite Group'-AB4[Si8O20]X · 8H2O
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chabazite'-
ⓘ'Feldspar Group'-
ⓘ'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] · nH2O
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Feldspar Group
var. Perthite'
-
ⓘ'Scapolite'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Tourmaline
var. Chrome-Tourmaline'
-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3A
ⓘ'Wurtzite-4H'-ZnS

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Hⓘ Apophyllite GroupAB4[Si8O20]X · 8H2O
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Hⓘ GravegliaiteMn2+SO3 · 3H2O
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hⓘ LaumontiteCaAl2Si4O12 · 4H2O
Hⓘ Axinite-(Mg)Ca2MgAl2BSi4O15OH
Hⓘ Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Hⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Hⓘ Mukhinite(CaCa)(AlAlV3+)O[Si2O7][SiO4](OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ NatroliteNa2Al2Si3O10 · 2H2O
Hⓘ OpalSiO2 · nH2O
Hⓘ PectoliteNaCa2Si3O8(OH)
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ PrehniteCa2Al2Si3O10(OH)2
Hⓘ ScoleciteCaAl2Si3O10 · 3H2O
Hⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hⓘ Zoisite var. Tanzanite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Hⓘ Tremolite var. Chrome-Tremolite◻{Ca2}{Mg5}(Si8O22)(OH)2
Hⓘ Phlogopite var. Vanadium-bearing phlogopiteK(Mg,V3+)3(AlSi3O10)(OH)2
LiLithium
Liⓘ TainioliteKLiMg2(Si4O10)F2
BBoron
Bⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ Axinite-(Mg)Ca2MgAl2BSi4O15OH
Bⓘ Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Bⓘ Tourmaline var. Chrome-TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ CalciteCaCO3
Cⓘ GraphiteC
Cⓘ RhodochrositeMnCO3
Cⓘ SideriteFeCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Oⓘ AnhydriteCaSO4
Oⓘ Apophyllite GroupAB4[Si8O20]X · 8H2O
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ CorundumAl2O3
Oⓘ DiopsideCaMgSi2O6
Oⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Oⓘ GravegliaiteMn2+SO3 · 3H2O
Oⓘ GrossularCa3Al2(SiO4)3
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HematiteFe2O3
Oⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oⓘ KarelianiteV23+O3
Oⓘ KyaniteAl2(SiO4)O
Oⓘ LaumontiteCaAl2Si4O12 · 4H2O
Oⓘ Axinite-(Mg)Ca2MgAl2BSi4O15OH
Oⓘ Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Oⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Mukhinite(CaCa)(AlAlV3+)O[Si2O7][SiO4](OH)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ NatroliteNa2Al2Si3O10 · 2H2O
Oⓘ OpalSiO2 · nH2O
Oⓘ PectoliteNaCa2Si3O8(OH)
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ QuartzSiO2
Oⓘ RhodochrositeMnCO3
Oⓘ Corundum var. RubyAl2O3
Oⓘ RutileTiO2
Oⓘ ScoleciteCaAl2Si3O10 · 3H2O
Oⓘ SideriteFeCO3
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oⓘ Zoisite var. Tanzanite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ TitaniteCaTiO(SiO4)
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ ZirconZr(SiO4)
Oⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Oⓘ TainioliteKLiMg2(Si4O10)F2
Oⓘ Grossular var. TsavoriteCa3Al2(SiO4)3
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Tourmaline var. Chrome-TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ Tremolite var. Chrome-Tremolite◻{Ca2}{Mg5}(Si8O22)(OH)2
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3A
Oⓘ Phlogopite var. Vanadium-bearing phlogopiteK(Mg,V3+)3(AlSi3O10)(OH)2
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ FluoriteCaF2
Fⓘ TainioliteKLiMg2(Si4O10)F2
NaSodium
Naⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Naⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Naⓘ NatroliteNa2Al2Si3O10 · 2H2O
Naⓘ PectoliteNaCa2Si3O8(OH)
Naⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Mgⓘ Axinite-(Mg)Ca2MgAl2BSi4O15OH
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgⓘ TainioliteKLiMg2(Si4O10)F2
Mgⓘ Tremolite var. Chrome-Tremolite◻{Ca2}{Mg5}(Si8O22)(OH)2
Mgⓘ Phlogopite var. Vanadium-bearing phlogopiteK(Mg,V3+)3(AlSi3O10)(OH)2
AlAluminium
Alⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ CorundumAl2O3
Alⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Alⓘ GrossularCa3Al2(SiO4)3
Alⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alⓘ KyaniteAl2(SiO4)O
Alⓘ LaumontiteCaAl2Si4O12 · 4H2O
Alⓘ Axinite-(Mg)Ca2MgAl2BSi4O15OH
Alⓘ Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Alⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Alⓘ MicroclineK(AlSi3O8)
Alⓘ Mukhinite(CaCa)(AlAlV3+)O[Si2O7][SiO4](OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ NatroliteNa2Al2Si3O10 · 2H2O
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ PrehniteCa2Al2Si3O10(OH)2
Alⓘ Corundum var. RubyAl2O3
Alⓘ ScoleciteCaAl2Si3O10 · 3H2O
Alⓘ SillimaniteAl2(SiO4)O
Alⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Alⓘ Zoisite var. Tanzanite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Alⓘ Grossular var. TsavoriteCa3Al2(SiO4)3
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Phlogopite var. Vanadium-bearing phlogopiteK(Mg,V3+)3(AlSi3O10)(OH)2
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Siⓘ Apophyllite GroupAB4[Si8O20]X · 8H2O
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ DiopsideCaMgSi2O6
Siⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Siⓘ GrossularCa3Al2(SiO4)3
Siⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siⓘ KyaniteAl2(SiO4)O
Siⓘ LaumontiteCaAl2Si4O12 · 4H2O
Siⓘ Axinite-(Mg)Ca2MgAl2BSi4O15OH
Siⓘ Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Siⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Siⓘ MicroclineK(AlSi3O8)
Siⓘ Mukhinite(CaCa)(AlAlV3+)O[Si2O7][SiO4](OH)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ NatroliteNa2Al2Si3O10 · 2H2O
Siⓘ OpalSiO2 · nH2O
Siⓘ PectoliteNaCa2Si3O8(OH)
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ QuartzSiO2
Siⓘ ScoleciteCaAl2Si3O10 · 3H2O
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Siⓘ Zoisite var. Tanzanite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ TitaniteCaTiO(SiO4)
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ ZirconZr(SiO4)
Siⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Siⓘ TainioliteKLiMg2(Si4O10)F2
Siⓘ Grossular var. TsavoriteCa3Al2(SiO4)3
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Tremolite var. Chrome-Tremolite◻{Ca2}{Mg5}(Si8O22)(OH)2
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Phlogopite var. Vanadium-bearing phlogopiteK(Mg,V3+)3(AlSi3O10)(OH)2
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ ApatiteCa5(PO4)3A
SSulfur
Sⓘ AlabanditeMnS
Sⓘ AnhydriteCaSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ColusiteCu13VAs3S16
Sⓘ GalenaPbS
Sⓘ GermanocolusiteCu26V2(Ge,As)6S32
Sⓘ GravegliaiteMn2+SO3 · 3H2O
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ MilleriteNiS
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ StanniteCu2FeSnS4
Sⓘ Native SulphurS8
Sⓘ Wurtzite(Zn,Fe)S
Sⓘ Wurtzite-4HZnS
Sⓘ MerelaniiteMo4Pb4VSbS15
Sⓘ RichardsiteZn2CuGaS4
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Kⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Kⓘ TainioliteKLiMg2(Si4O10)F2
Kⓘ Phlogopite var. Vanadium-bearing phlogopiteK(Mg,V3+)3(AlSi3O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Caⓘ AnhydriteCaSO4
Caⓘ CalciteCaCO3
Caⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Caⓘ DiopsideCaMgSi2O6
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ FluoriteCaF2
Caⓘ GrossularCa3Al2(SiO4)3
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caⓘ LaumontiteCaAl2Si4O12 · 4H2O
Caⓘ Axinite-(Mg)Ca2MgAl2BSi4O15OH
Caⓘ Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Caⓘ MesoliteNa2Ca2Si9Al6O30 · 8H2O
Caⓘ Mukhinite(CaCa)(AlAlV3+)O[Si2O7][SiO4](OH)
Caⓘ PectoliteNaCa2Si3O8(OH)
Caⓘ PrehniteCa2Al2Si3O10(OH)2
Caⓘ ScoleciteCaAl2Si3O10 · 3H2O
Caⓘ Zoisite var. Tanzanite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ TitaniteCaTiO(SiO4)
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caⓘ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Caⓘ Grossular var. TsavoriteCa3Al2(SiO4)3
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ Tremolite var. Chrome-Tremolite◻{Ca2}{Mg5}(Si8O22)(OH)2
Caⓘ ApatiteCa5(PO4)3A
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTiO(SiO4)
VVanadium
Vⓘ ColusiteCu13VAs3S16
Vⓘ GermanocolusiteCu26V2(Ge,As)6S32
Vⓘ KarelianiteV23+O3
Vⓘ Mukhinite(CaCa)(AlAlV3+)O[Si2O7][SiO4](OH)
Vⓘ MerelaniiteMo4Pb4VSbS15
Vⓘ Phlogopite var. Vanadium-bearing phlogopiteK(Mg,V3+)3(AlSi3O10)(OH)2
CrChromium
Crⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Crⓘ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
MnManganese
Mnⓘ AlabanditeMnS
Mnⓘ GravegliaiteMn2+SO3 · 3H2O
Mnⓘ Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Mnⓘ RhodochrositeMnCO3
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ SideriteFeCO3
Feⓘ StanniteCu2FeSnS4
Feⓘ Wurtzite(Zn,Fe)S
NiNickel
Niⓘ MilleriteNiS
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ColusiteCu13VAs3S16
Cuⓘ GermanocolusiteCu26V2(Ge,As)6S32
Cuⓘ StanniteCu2FeSnS4
Cuⓘ RichardsiteZn2CuGaS4
ZnZinc
Znⓘ SphaleriteZnS
Znⓘ Wurtzite(Zn,Fe)S
Znⓘ Wurtzite-4HZnS
Znⓘ RichardsiteZn2CuGaS4
GaGallium
Gaⓘ RichardsiteZn2CuGaS4
GeGermanium
Geⓘ GermanocolusiteCu26V2(Ge,As)6S32
AsArsenic
Asⓘ ColusiteCu13VAs3S16
Asⓘ GermanocolusiteCu26V2(Ge,As)6S32
SeSelenium
Seⓘ ClausthalitePbSe
ZrZirconium
Zrⓘ ZirconZr(SiO4)
MoMolybdenum
Moⓘ MolybdeniteMoS2
Moⓘ MerelaniiteMo4Pb4VSbS15
SnTin
Snⓘ StanniteCu2FeSnS4
SbAntimony
Sbⓘ MerelaniiteMo4Pb4VSbS15
CeCerium
Ceⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
PbLead
Pbⓘ ClausthalitePbSe
Pbⓘ GalenaPbS
Pbⓘ MerelaniiteMo4Pb4VSbS15

Fossils

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Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Simanjiro_District,_Manyara
Wikidata ID:Q1888312
GeoNames ID:7647663

Localities in this Region

Other Regions, Features and Areas that Intersect

AfricaContinent
African Plate
Somali PlateTectonic Plate

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References

 
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