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:
Toi-cho, Shizuoka, Japan


mindat Locality ID: 188193
mindat URL: http://www.mindat.org/loc-188193.html

Tectonic Settings:

Total number of sublocalities beneath "Toi-cho, Shizuoka, Japan": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Seikoshi Mine (Seigoshi Mine; Seigoushi Mine)
Toi Mine

Latitude: 34°53'59"N
Longitude: 138°48'43"E
Decimal Degree (lat, lon): 34.899722222222,138.81194444444
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: Ag Al As Au C Ca Cu Fe H K Mn Na O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAnalcimeCalciteChalcopyriteClayClinozoisiteCopperEpidoteGyroliteMordenite
NatroliteNoneNot in a structural groupPolybasitePyriteQuartzRocksaltSmectite-vermiculiteSphaleriteStilbite

23 IMA Minerals at location:
Acanthite  (*)Beidellite  (*)Calcite  (*)Chalcopyrite  (*)Epidote  (*)
Galena  (*)Gold  (*)Inesite  (*)Laumontite  (*)Mordenite  (*)
Pearceite  (*)Polybasite  (*)Pyrargyrite  (*)Pyrite  (*)Quartz  (*)
Scolecite  (*)Silver  (*)Sphalerite  (*)Stellerite  (*)Stephanite  (*)
Truscottite  (*)Wairakite  (*)Yugawaralite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S276523,765242793
Beidellite  (*)Clay Smectite-vermiculite(Na,Ca)0.3Al2(Si,Al)4O10(OH)2·nH2O17652385
Calcite  (*)CalciteCa(CO3)17652327770
Chalcopyrite  (*)ChalcopyriteCuFeS2276523,7652427198
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)1765238173
Galena  (*)RocksaltPbS17652424243
Gold  (*)CopperAu276523,7652430554
Inesite  (*)NoneCa2Mn2+7Si10O28(OH)2·5H2O17652350
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O1765231271
Mordenite  (*)Mordenite(Na2,Ca,K2)4(Al8Si40)O96·28H2O176523405
Pearceite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]176523249
Polybasite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(Sb,As)2S7]176523716
Pyrargyrite  (*)NoneAg3SbS3276523,765241425
Pyrite  (*)PyriteFeS2276523,7652439462
Quartz  (*)QuartzSiO2276523,7652461156
Scolecite  (*)NatroliteCa(Si3Al2)O10·3H2O176523390
Silver  (*)CopperAg1765235186
Sphalerite  (*)SphaleriteZnS276523,7652421482
Stellerite  (*)StilbiteCa4(Si28Al8)O72·28H2O176523189
Stephanite  (*)NoneAg5SbS4176524586
Truscottite  (*)GyroliteCa14Si24O58(OH)8·2H2O17652410
Wairakite  (*)AnalcimeCa(Si4Al2)O12·2H2O276523,7652473
Yugawaralite  (*)NoneCa(Si6Al2)O16·4H2O17652333


No ages have been assigned to this locality yet.
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