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:
Ioi Mine, Ritto City, Shiga, Japan


mindat Locality ID: 2190
mindat URL: http://www.mindat.org/loc-2190.html

Tectonic Settings:

Total number of sublocalities beneath "Ioi Mine, Ritto City, Shiga, Japan": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0
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 As Ba C Ca Fe H K Mn Na O S Si Ti 

Elements from minerals reported directly at this locality: Al As Ba C Ca Fe H K Mn Na O S Si Ti 

Structural Groups for minerals in this locality: 
AllophaneAmorphousArsenopyriteBaryteBruciteCalciteClayCoronaditeCorundumFeldspar
GarnetHumiteHydrotalciteMarcasiteNickelineNoneOlivineQuartzRhodoniteRocksalt
SpinelWoodwardite

25 IMA Minerals at location:
Alabandite  (*)Albite  (*)Arsenopyrite  (*)Baryte  (*)Bementite  (*)
Birnessite  (*)Cryptomelane  (*)Feitknechtite  (*)Galaxite  (*)Hausmannite  (*)
Jacobsite  (*)Manganosite  (*)Marcasite  (*)Neotocite  (*)Opal  (*)
Pyrochroite  (*)Pyrophanite  (*)Pyrrhotite  (*)Quartz  (*)Rhodochrosite  (*)
Rhodonite  (*)Shigaite  (*)Sonolite  (*)Spessartine  (*)Tephroite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alabandite  (*)RocksaltMnS0312
Albite  (*)FeldsparNa(AlSi3O8)08803
Arsenopyrite  (*)ArsenopyriteFeAsS09052
Baryte  (*)BaryteBa(SO4)011547
Bementite  (*)ClayMn7Si6O15(OH)80173
Birnessite  (*)None(Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O0178
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O160599
Feitknechtite  (*)NoneMn3+O(OH)019
Galaxite  (*)SpinelMn2+Al2O4043
Hausmannite  (*)SpinelMn2+Mn3+2O40350
Jacobsite  (*)SpinelMn2+Fe3+2O40172
Manganosite  (*)RocksaltMnO073
Marcasite  (*)MarcasiteFeS205674
Neotocite  (*)Allophane(Mn,Fe)SiO3·H2O (?)0186
Opal  (*)AmorphousSiO2·nH2O02994
Pyrochroite  (*)BruciteMn2+(OH)2056
Pyrophanite  (*)CorundumMn2+TiO30244
Pyrrhotite  (*)NickelineFe7S809056
Quartz  (*)QuartzSiO2061156
Rhodochrosite  (*)CalciteMn(CO3)01711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)0969
Shigaite  (*)Woodwardite HydrotalciteMn6Al3(OH)18[Na(H2O)6](SO4)2·6H2O07
Sonolite  (*)HumiteMn2+9(SiO4)4(OH)2050
Spessartine  (*)GarnetMn2+3Al2(SiO4)301214
Tephroite  (*)OlivineMn2+2(SiO4)0240


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL
R080090Ioi Mine, Ritto City, Shiga, Japanhttps://rruff.info/R080090

All locality data graciously provided by mindat.org

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