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:
Hejiawan, Luotian Co., Huanggang, Hubei, China


mindat Locality ID: 230368
mindat URL: http://www.mindat.org/loc-230368.html

Tectonic Settings:

Total number of sublocalities beneath "Hejiawan, Luotian Co., Huanggang, Hubei, China": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Eclogite Outcrops
Hejiawan Mn Deposit

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 Ba C Ca Fe H K Mg Mn Na O Si Sr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleBrauniteCalciteClayClinozoisiteCoronaditeCorundumDiasporeEpidoteGarnet
KaoliniteMicaNonePyroxeneQuartzRhodoniteRutileSmectite-vermiculiteSpinel

26 IMA Minerals at location:
Actinolite  (*)Birnessite  (*)Braunite  (*)Calcite  (*)Cryptomelane  (*)
Dolomite  (*)Epidote  (*)Goethite  (*)Hematite  (*)Hollandite  (*)
Jacobsite  (*)Kaolinite  (*)Montmorillonite  (*)Muscovite  (*)Omphacite  (*)
Phlogopite  (*)Pyrolusite  (*)Quartz  (*)Ranciéite  (*)Rhodochrosite  (*)
Rhodonite  (*)Romanèchite  (*)Spessartine  (*)Todorokite  (*)Tremolite  (*)
Vernadite  (*)
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)21398963419
Birnessite  (*)None(Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O139896178
Braunite  (*)BrauniteMn2+Mn3+6O8(SiO4)139896483
Calcite  (*)CalciteCa(CO3)13989627770
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O16139896599
Dolomite  (*)NoneCaMg(CO3)21398969895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)1398958173
Goethite  (*)DiasporeFeO(OH)1398967437
Hematite  (*)CorundumFe2O313989614640
Hollandite  (*)CoronaditeBa(Mn4+6Mn3+2)O16139896243
Jacobsite  (*)SpinelMn2+Fe3+2O4139896172
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)41398965591
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O1398961508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)213989617380
Omphacite  (*)Pyroxene(Ca,Na)(Mg,Fe,Al)Si2O6139895229
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21398962273
Pyrolusite  (*)RutileMnO21398963106
Quartz  (*)QuartzSiO213989661156
Ranciéite  (*)None(Ca,Mn2+)0.2(Mn4+,Mn3+)O2·0.6H2O139896177
Rhodochrosite  (*)CalciteMn(CO3)1398961711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)139896969
Romanèchite  (*)None(Ba,H2O)2(Mn4+,Mn3+)5O10139896312
Spessartine  (*)GarnetMn2+3Al2(SiO4)31398961214
Todorokite  (*)None(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O139896433
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)21398962562
Vernadite  (*)None(Mn,Fe,Ca,Na)(O,OH)2·nH2O13989665


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

All age data...

Other copyright data...