Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Pyin-Oo-Lwin District, Mandalay Region, Myanmar

Oldest recorded age at locality: 32
Youngest recorded age at locality: 18.7

mindat Locality ID: 127405
mindat URL: http://www.mindat.org/loc-127405.html

Tectonic Settings:

Total number of sublocalities beneath "Pyin-Oo-Lwin District, Mandalay Region, Myanmar": 177
Total number of bottom-level sublocalities: 139

Number of Child Localities: 4
Child Localities:
Madaya Township
Mogok Township
Singu Township
Thabeikkyin Township (Tha Pate Kyin Township)

Latitude: 22°41'52"N
Longitude: 96°9'18"E
Decimal Degree (lat, lon): 22.697777777778,96.155

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al Au B Be Bi C Ca Ce Cl Cu F Fe H K Li Mg Mn Na Nb O P Pb S Sb Si Sn Ta Te Th Ti U W Y Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmorphousAmphiboleAndalusiteApatiteAragoniteBaddeleyiteBerylBruciteCalciteCancrinite
Cancrinite-sodaliteChalcopyriteClayClinocervantiteClinozoisiteColumbiteCopperCorundumDanburiteDiaspore
EpidoteFeldsparFluoriteGadoliniteGarnetGypsumHumiteHydrotalciteKaoliniteKornerupine
MagnetoplumbiteMalachiteMarcasiteMicaMilariteMonaziteNickelineNoneNot in a structural groupOlivine
PhenakitePyritePyrochlorePyroxeneQuartzRhabdophaneRocksaltRutileSapphirineScapolite
ScheeliteSerpentineSodaliteSphaleriteSpinelSulphurTalcTetradymiteTitaniteTopaz
TourmalineVesuvianiteWollastoniteZircon

119 IMA Minerals at location:
Actinolite  (*)Aegirine  (*)Aegirine-augite  (*)Albite  (*)Almandine  (*)
Amblygonite  (*)Anatase  (*)Andalusite  (*)Andradite  (*)Anorthite  (*)
Antigorite  (*)Aragonite  (*)Baddeleyite  (*)Beryl  (*)Bismite  (*)
Brockite  (*)Brucite  (*)Calcite  (*)Cancrinite  (*)Cassiterite  (*)
Chalcopyrite  (*)Chondrodite  (*)Chrysoberyl  (*)Clinohumite  (*)Columbite-(Mn)  (*)
Cordierite  (*)Corundum  (*)Danburite  (*)Diaspore  (*)Dickite  (*)
Diopside  (*)Dolomite  (*)Dravite  (*)Edenite  (*)Ekanite  (*)
Elbaite  (*)Enstatite  (*)Epidote  (*)Euclase  (*)Fayalite  (*)
Fergusonite-(Y)  (*)Ferrohögbomite-2N2S  (*)Fluorapatite  (*)Fluorite  (*)Fluoro-edenite  (*)
Foitite  (*)Forsterite  (*)Galena  (*)Geikielite  (*)Gibbsite  (*)
Goethite  (*)Gold  (*)Graphite  (*)Grossular  (*)Gypsum  (*)
Haüyne  (*)Hematite  (*)Herderite  (*)Hibonite  (*)Ilmenite  (*)
Jadeite  (*)Jeremejevite  (*)Johachidolite  (*)Joséite-A  (*)Kaolinite  (*)
Kornerupine  (*)Kyawthuite  (*)Lazurite  (*)Lizardite  (*)Magnesiotaaffeite-2N'2S  (*)
Magnetite  (*)Malachite  (*)Marcasite  (*)Margarite  (*)Meionite  (*)
Microcline  (*)Monazite-(Ce)  (*)Montebrasite  (*)Muscovite  (*)Orthoclase  (*)
Oxycalciopyrochlore  (*)Painite  (*)Pargasite  (*)Phenakite  (*)Phlogopite  (*)
Poudretteite  (*)Pyrite  (*)Pyroaurite  (*)Pyrrhotite  (*)Quartz  (*)
Rhodochrosite  (*)Rutile  (*)Sadanagaite  (*)Sanidine  (*)Scheelite  (*)
Schorl  (*)Serendibite  (*)Sillimanite  (*)Sinhalite  (*)Sodalite  (*)
Spessartine  (*)Sphalerite  (*)Spinel  (*)Spodumene  (*)Srilankite  (*)
Stibiotantalite  (*)Sulphur  (*)Talc  (*)Tellurite  (*)Thorite  (*)
Titanite  (*)Topaz  (*)Tremolite  (*)Uraninite  (*)Vesuvianite  (*)
Wadeite  (*)Wollastonite  (*)Xenotime-(Y)  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)21860493419
Aegirine  (*)PyroxeneNaFe3+Si2O63218.71861221022
Aegirine-augite  (*)Pyroxene(Ca,Na)(Fe3+,Mg,Fe2+)Si2O6186049286
Albite  (*)FeldsparNa(AlSi3O8)3218.7586101,86116,86167,86176,862128803
Almandine  (*)GarnetFe2+3Al2(SiO4)33218.71486049,86050,86063,86071,86074,86122,86185,86186,86190,86191,86198,86200,86201,862232353
Amblygonite  (*)NoneLiAl(PO4)F3218.7586111,86115,86175,86176,86196244
Anatase  (*)Not in a structural groupTiO23218.7286122,861232162
Andalusite  (*)AndalusiteAl2SiO53218.7686050,86111,86175,86196,86201,862111310
Andradite  (*)GarnetCa3Fe3+2(SiO4)33218.71860981534
Anorthite  (*)FeldsparCa(Al2Si2O8)3218.71861211036
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)43218.7186064708
Aragonite  (*)AragoniteCa(CO3)3218.71861583250
Baddeleyite  (*)BaddeleyiteZrO23218.7386122,86123,86124238
Beryl  (*)BerylBe3Al2Si6O183218.71986055,86061,86063,86072,86074,86083,86101,86103,86111,86115,86116,86120,86159,86175,86176,86195,86201,86212,862164286
Bismite  (*)NoneBi2O33218.7186050214
Brockite  (*)Rhabdophane(Ca,Th,Ce)(PO4)·H2O3218.718612248
Brucite  (*)BruciteMg(OH)23218.7186064462
Calcite  (*)CalciteCa(CO3)3218.71686047,86048,86049,86050,86064,86118,86121,86134,86158,86173,86174,86175,86192,86193,86199,8620127770
Cancrinite  (*)Cancrinite(Na,Ca,   )8(Al6Si6)O24(CO3,SO4)2·2H2O3218.7186167232
Cassiterite  (*)RutileSnO23218.7386103,86115,861165171
Chalcopyrite  (*)ChalcopyriteCuFeS218621927198
Chondrodite  (*)HumiteMg5(SiO4)2F23218.7486049,86174,86190,86193285
Chrysoberyl  (*)OlivineBeAl2O43218.71586050,86052,86094,86101,86102,86167,86168,86169,86171,86175,86176,86182,86187,86196,86201321
Clinohumite  (*)HumiteMg9(SiO4)4F23218.7186193236
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O63218.7186122289
Cordierite  (*)BerylMg2Al4Si5O183218.7586069,86111,86171,86175,861761008
Corundum  (*)CorundumAl2O33218.712886047,86048,86049,86050,86051,86052,86053,86054,86055,86056,86057,86059,86060,86061,86062,86063,86068,86069,86070,86071,86072,86073,86074,86075,86077,86078,86079,86080,86081,86083,86084,86085,86088,86089,86090,86091,86092,86093,86094,86095,86096,86097,86098,86099,86101,86102,86103,86104,86105,86106,86107,86110,86111,86112,86113,86114,86115,86117,86118,86120,86121,86122,86123,86124,86125,86127,86128,86133,86134,86135,86136,86137,86138,86139,86140,86141,86142,86143,86144,86145,86146,86147,86148,86150,86151,86152,86153,86154,86155,86156,86158,86160,86161,86162,86163,86164,86165,86166,86167,86168,86169,86170,86171,86173,86175,86176,86177,86178,86179,86180,86181,86182,86183,86184,86185,86186,86188,86190,86191,86192,86195,86196,86199,86200,86201,86203,86204,862231797
Danburite  (*)DanburiteCaB2Si2O83218.71486115,86116,86159,86162,86167,86168,86175,86176,86182,86184,86186,86196,86201,86205148
Diaspore  (*)DiasporeAlO(OH)3218.7486056,86057,86101,86102481
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)43218.7186101651
Diopside  (*)PyroxeneCaMgSi2O63218.72786049,86056,86114,86124,86133,86136,86138,86140,86141,86142,86144,86151,86152,86154,86156,86160,86162,86163,86169,86172,86174,86175,86176,86186,86196,86201,862054135
Dolomite  (*)NoneCaMg(CO3)23218.71860649895
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)3218.7486123,86162,86176,86201648
Edenite  (*)AmphiboleNaCa2Mg5(Si7Al)O22(OH)23218.7486159,86160,86175,86201160
Ekanite  (*)AmorphousCa2ThSi8O203218.718617416
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)3218.71086115,86123,86124,86131,86162,86167,86187,86189,86201,86210520
Enstatite  (*)PyroxeneMg2Si2O63218.7686056,86061,86064,86065,86067,86176944
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)3218.71861768173
Euclase  (*)NoneBeAlSiO4(OH)3218.7186175120
Fayalite  (*)OlivineFe2+2(SiO4)3218.7186176371
Fergusonite-(Y)  (*)ScheeliteYNbO43218.7186122196
Ferrohögbomite-2N2S  (*)None(Fe,Mg,Zn,Al)3(Al,Ti,Fe)8O15(OH)3218.718612213
Fluorapatite  (*)ApatiteCa5(PO4)3F3218.7386175,86176,862012740
Fluorite  (*)FluoriteCaF23218.7986103,86115,86116,86176,86195,86201,86208,86220,862219617
Fluoro-edenite  (*)AmphiboleNaCa2Mg5(Si7Al)O22F23218.718620127
Foitite  (*)Tourmaline   (Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)3218.718605075
Forsterite  (*)OlivineMg2(SiO4)3218.7986049,86055,86061,86063,86064,86065,86067,86176,861931188
Galena  (*)RocksaltPbS18621924243
Geikielite  (*)CorundumMgTiO33218.718605070
Gibbsite  (*)NoneAl(OH)33218.7186101504
Goethite  (*)DiasporeFeO(OH)3218.7286101,861827437
Gold  (*)CopperAu3218.7286082,8621330554
Graphite  (*)NoneC3218.7986049,86056,86125,86137,86169,86174,86182,86193,861992812
Grossular  (*)GarnetCa3Al2(SiO4)33218.7586049,86114,86115,86196,862011544
Gypsum  (*)GypsumCa(SO4)·2H2O1862216890
Haüyne  (*)Sodalite Cancrinite-sodaliteNa3Ca(Si3Al3)O12(SO4)3218.7286186,86201158
Hematite  (*)CorundumFe2O33218.7286122,8613314640
Herderite  (*)GadoliniteCaBe(PO4)F3218.7386050,86103,8611620
Hibonite  (*)MagnetoplumbiteCaAl12O193218.7286113,8611980
Ilmenite  (*)CorundumFe2+Ti4+O33218.7386101,86122,861765433
Jadeite  (*)PyroxeneNaAlSi2O63218.7186176154
Jeremejevite  (*)NoneAl6(BO3)5F33218.7386102,86129,8613115
Johachidolite  (*)NoneCaAlB3O73218.7386050,86192,862012
Joséite-A  (*)TetradymiteBi4TeS23218.718605050
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)43218.71861015591
Kornerupine  (*)Kornerupine(Mg,Fe2+,Al,   )10(Si,Al,B)5O21(OH,F)23218.7386071,86176,8620168
Kyawthuite  (*)ClinocervantiteBi3+Sb5+O43218.71860691
Lazurite  (*)Cancrinite-sodalite SodaliteNa7Ca(Al6Si6O24)(SO4)(S3)1-·H2O3218.7286186,8620137
Lizardite  (*)Serpentine ClayMg3Si2O5(OH)43218.7186064359
Magnesiotaaffeite-2N'2S  (*)NoneMg3BeAl8O163218.7386068,86102,8617618
Magnetite  (*)SpinelFe2+Fe3+2O43218.7386064,86065,8617614899
Malachite  (*)MalachiteCu2(CO3)(OH)218622112537
Marcasite  (*)MarcasiteFeS23218.71861335674
Margarite  (*)Mica ClayCaAl2Si2Al2O10(OH)23218.7186124168
Meionite  (*)ScapoliteCa4Al6Si6O24(CO3)3218.7186175176
Microcline  (*)FeldsparK(AlSi3O8)3218.7886103,86114,86115,86116,86118,86167,86175,862014924
Monazite-(Ce)  (*)MonaziteCe(PO4)3218.7186122945
Montebrasite  (*)NoneLiAl(PO4)(OH)3218.7486050,86111,86175,86201200
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)23218.7386101,86116,8612517380
Orthoclase  (*)FeldsparK(AlSi3O8)3218.71086049,86092,86096,86111,86115,86159,86175,86182,86200,862012349
Oxycalciopyrochlore  (*)PyrochloreCa2Nb2O6O3218.718612211
Painite  (*)NoneCaZrAl9O15(BO3)3218.71086087,86088,86089,86104,86122,86123,86124,86125,86176,862068
Pargasite  (*)AmphiboleNaCa2(Mg4Al)(Si6Al2)O22(OH)23218.7586050,86122,86167,86175,86201313
Phenakite  (*)PhenakiteBe2(SiO4)3218.7186176326
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)23218.71186049,86064,86065,86124,86134,86144,86162,86192,86193,86199,862012273
Poudretteite  (*)MilariteKNa2(B3Si12)O303218.7486050,86102,86175,862014
Pyrite  (*)PyriteFeS23218.71886049,86071,86111,86122,86124,86133,86135,86138,86142,86154,86169,86176,86182,86186,86199,86208,86213,8622139462
Pyroaurite  (*)HydrotalciteMg6Fe3+2(CO3)(OH)16·4H2O3218.718606489
Pyrrhotite  (*)NickelineFe7S83218.7386133,86137,861549056
Quartz  (*)QuartzSiO23218.74986047,86048,86049,86050,86052,86053,86055,86056,86062,86063,86069,86070,86072,86083,86101,86102,86103,86111,86114,86116,86120,86121,86127,86130,86144,86151,86154,86159,86162,86167,86169,86170,86171,86173,86175,86176,86178,86179,86180,86182,86183,86184,86190,86196,86197,86199,86201,86212,8621361156
Rhodochrosite  (*)CalciteMn(CO3)3218.71861031711
Rutile  (*)RutileTiO23218.71186047,86048,86057,86101,86116,86122,86123,86124,86125,86137,861995614
Sadanagaite  (*)AmphiboleNaCa2(Mg3Al2)(Si5Al3)O22(OH)23218.71860506
Sanidine  (*)FeldsparK(AlSi3O8)3218.7386169,86175,86201598
Scheelite  (*)ScheeliteCa(WO4)3218.7486103,86111,86115,861164894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)3218.72786053,86054,86055,86060,86071,86074,86079,86092,86096,86101,86102,86103,86106,86107,86116,86123,86124,86130,86162,86168,86173,86175,86176,86190,86191,86199,862012705
Serendibite  (*)SapphirineCa4[Mg6Al6]O4[Si6B3Al3O36]3218.7486050,86169,86176,8618219
Sillimanite  (*)Not in a structural groupAl2SiO53218.7786115,86171,86175,86176,86196,86200,862011516
Sinhalite  (*)OlivineMgAl(BO4)3218.7686169,86175,86176,86182,86201,8620220
Sodalite  (*)Cancrinite-sodalite SodaliteNa4(Si3Al3)O12Cl3218.71086050,86101,86134,86144,86159,86160,86162,86174,86192,86201444
Spessartine  (*)GarnetMn2+3Al2(SiO4)33218.7386050,86062,861031214
Sphalerite  (*)SphaleriteZnS18621921482
Spinel  (*)SpinelMgAl2O43218.710386047,86048,86049,86050,86052,86053,86054,86055,86056,86057,86059,86061,86062,86063,86064,86069,86070,86071,86073,86074,86075,86077,86079,86080,86083,86088,86089,86090,86091,86092,86095,86096,86098,86101,86102,86103,86106,86110,86111,86112,86113,86114,86118,86120,86121,86122,86124,86127,86128,86133,86134,86135,86137,86138,86140,86141,86142,86143,86144,86145,86146,86147,86148,86150,86151,86153,86154,86155,86156,86157,86162,86163,86164,86165,86166,86167,86168,86169,86170,86171,86173,86174,86175,86176,86178,86181,86182,86183,86184,86185,86186,86190,86192,86193,86195,86196,86197,86198,86199,86200,86201,86203,862231934
Spodumene  (*)PyroxeneLiAlSi2O63218.7186176688
Srilankite  (*)ColumbiteTiO23218.71861236
Stibiotantalite  (*)NoneSb3+TaO418621253
Sulphur  (*)SulphurS3218.7286135,861542045
Talc  (*)Clay TalcMg3Si4O10(OH)23218.71860643337
Tellurite  (*)NoneTeO23218.718605052
Thorite  (*)ZirconTh(SiO4)3218.7786050,86083,86111,86115,86122,86183,861911006
Titanite  (*)TitaniteCaTi(SiO4)O3218.71386049,86121,86122,86123,86133,86137,86138,86140,86163,86169,86176,86181,861864899
Topaz  (*)TopazAl2SiO4F23218.72786050,86055,86060,86062,86070,86074,86083,86096,86101,86102,86103,86111,86114,86115,86116,86120,86127,86159,86162,86167,86169,86175,86176,86182,86184,86195,861961476
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)23218.7286049,861742562
Uraninite  (*)FluoriteUO23218.7286068,861152718
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)103218.71861761395
Wadeite  (*)NoneK2ZrSi3O93218.718605027
Wollastonite  (*)WollastoniteCaSiO33218.71861741247
Xenotime-(Y)  (*)ZirconY(PO4)3218.7186122939
Zircon  (*)ZirconZr(SiO4)32312886049,86052,86056,86063,86089,86092,86096,86101,86107,86111,86113,86118,86121,86122,86123,86124,86127,86148,86162,86169,86173,86175,86176,86182,86184,86196,86201,862235251



2 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
OGR34_192_00118.718.718.7Ar-Arreset age      24345Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, MyanmarMogokYui et al. (2008) OGR34_192 
OGR34_192_002323132-31  zircon   Zircon  24345Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, MyanmarMogokYui et al. (2008) OGR34_192 


SampleSource LocalityReference URL
R050602Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R050602
R050415Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R050415
R100164Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R100164
R120069Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R120069
R050601Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R050601
R050259Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R050259
R050411Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R050411
R050392Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R050392
R050367Pazun-seik (Pazon-Seit), Kyauk-Pyat-That, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R050367
R060016Wet-loo (Wetloo), Kyauk-Pyat-That, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R060016
R060078Wet-loo (Wetloo), Kyauk-Pyat-That, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R060078
X050128Ohngaing (Ohn Gaing; Ohn Kai), Mogok Valley, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/X050128
R060957Ohngaing (Ohn Gaing; Ohn Kai), Mogok Valley, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R060957
R110158Pein-Pyit (Painpyit; Pyan Pyit), Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R110158
R050183Pein-Pyit (Painpyit; Pyan Pyit), Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R050183
R060072Pein-Pyit (Painpyit; Pyan Pyit), Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R060072
R060080Pein-Pyit (Painpyit; Pyan Pyit), Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R060080
R050184Pein-Pyit (Painpyit; Pyan Pyit), Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R050184
R070640Pyant Gyi Mine (Pyan Gyi), Pein-Pyit (Painpyit; Pyan Pyit), Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R070640
R080009Pyant Gyi Mine (Pyan Gyi), Pein-Pyit (Painpyit; Pyan Pyit), Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmarhttps://rruff.info/R080009


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