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:
Shiromaru Mine (Hakumaru Mine), Okutama-cho, Nishitama District, Tokyo, Japan


mindat Locality ID: 7034
mindat URL: http://www.mindat.org/loc-7034.html

Tectonic Settings:

Total number of sublocalities beneath "Shiromaru Mine (Hakumaru Mine), Okutama-cho, Nishitama District, Tokyo, Japan": 0
Total number of bottom-level sublocalities: 0

Latitude: 35°48'37"N
Longitude: 139°7'24"E
Decimal Degree (lat, lon): 35.810277777778,139.12333333333

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 B Ba C Ca Cl Cu Fe H K Mg Mn Na O S Si Sr Ti V 

Elements from minerals reported directly at this locality: Al B Ba C Ca Cl Cu Fe H K Mg Mn Na O S Si Sr Ti V 

Structural Groups for minerals in this locality: 
AnalcimeAragoniteAxiniteBaryteBenitoiteBrackebuschiteBrauniteCalciteClayClinozoisite
CopperCoronaditeCorundumEdingtoniteEpidoteFeldsparGadoliniteGarnetHarmotomeHumite
NoneNot in a structural groupOlivinePectolitePyroxeneQuartzRhodonite

39 IMA Minerals at location:
Aegirine  (*)Albite  (*)Alleghanyite  (*)Analcime  (*)Andradite  (*)
Axinite-(Mn)  (*)Banalsite  (*)Baryte  (*)Benitoite  (*)Birnessite  (*)
Braunite  (*)Calcite  (*)Celsian  (*)Copper  (*)Cryptomelane  (*)
Cuprite  (*)Cymrite  (*)Datolite  (*)Edingtonite  (*)Eggletonite  (*)
Epidote-(Sr)  (*)Gamagarite  (*)Ganophyllite  (*)Grossular  (*)Harmotome  (*)
Hematite  (*)Marsturite  (*)Orthoclase  (*)Piemontite-(Sr)  (*)Quartz  (*)
Rhodochrosite  (*)Rhodonite  (*)Serandite  (*)Strontianite  (*)Tamaite  (*)
Tephroite  (*)Tinzenite  (*)Tokyoite  (*)Wiserite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O601022
Albite  (*)FeldsparNa(AlSi3O8)08803
Alleghanyite  (*)HumiteMn2+5(SiO4)2(OH)2077
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O01627
Andradite  (*)GarnetCa3Fe3+2(SiO4)301534
Axinite-(Mn)  (*)AxiniteCa4Mn2+2Al4[B2Si8O30](OH)2088
Banalsite  (*)NoneNa2BaAl4Si4O16022
Baryte  (*)BaryteBa(SO4)011547
Benitoite  (*)BenitoiteBaTiSi3O9020
Birnessite  (*)None(Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O0178
Braunite  (*)BrauniteMn2+Mn3+6O8(SiO4)0483
Calcite  (*)CalciteCa(CO3)027770
Celsian  (*)FeldsparBa(Al2Si2O8)0100
Copper  (*)CopperCu03846
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O160599
Cuprite  (*)Not in a structural groupCu2O02970
Cymrite  (*)NoneBa(Si,Al)4(O,OH)8·H2O046
Datolite  (*)GadoliniteCaB(SiO4)(OH)0498
Edingtonite  (*)EdingtoniteBa(Si3Al2)O10·4H2O026
Eggletonite  (*)Clay(Na,K,Ca)xMn6(Si,Al)10O24(OH)4·nH2O (x = 1-2; n = 7-11)03
Epidote-(Sr)  (*)EpidoteCaSr(Al2Fe3+)[Si2O7][SiO4]O(OH)08
Gamagarite  (*)BrackebuschiteBa2Fe3+(VO4)2(OH)010
Ganophyllite  (*)Clay(K,Na)xMn2+6(Si,Al)10O24(OH)4·nH2O (x = 1-2; n = 7-11)045
Grossular  (*)GarnetCa3Al2(SiO4)301544
Harmotome  (*)HarmotomeBa2(Si12Al4)O32·12H2O0290
Hematite  (*)CorundumFe2O3014640
Marsturite  (*)RhodoniteNaCaMn2+3Si5O14(OH)05
Orthoclase  (*)FeldsparK(AlSi3O8)02349
Piemontite-(Sr)  (*)Clinozoisite EpidoteCaSr(Al2Mn3+)[Si2O7][SiO4]O(OH)012
Quartz  (*)QuartzSiO2061156
Rhodochrosite  (*)CalciteMn(CO3)01711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)0969
Serandite  (*)PectoliteNaMn2+2Si3O8(OH)038
Strontianite  (*)AragoniteSr(CO3)0589
Tamaite  (*)None(Ca,K,Na)xMn6(Si,Al)10O24(OH)4·nH2O (x = 1-2; n = 7-11)02
Tephroite  (*)OlivineMn2+2(SiO4)0240
Tinzenite  (*)AxiniteCa2Mn2+4Al4[B2Si8O30](OH)2024
Tokyoite  (*)BrackebuschiteBa2Mn3+(VO4)2OH09
Wiserite  (*)NoneMn2+14(B2O5)4(OH)8·(Si,Mg)(O,OH)4Cl015



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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