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:
Topaz Mountain, Thomas Range, Juab Co., Utah, USA


mindat Locality ID: 14942
mindat URL: http://www.mindat.org/loc-14942.html

Tectonic Settings:

Total number of sublocalities beneath "Topaz Mountain, Thomas Range, Juab Co., Utah, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Autunite No. 8 Claim
Autunite No. 8 Occurrence (Nuclear No. 1)
Delta Topaz Mine
The Cove (Topaz Valley)
Unnamed Agate Deposit

Latitude: 39°42'0"N
Longitude: 113°4'43"W
Decimal Degree (lat, lon): 39.7,-113.07861111111
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 Be C Ca F Fe H K Mn Na O S Si Ti U V 

Elements from minerals reported directly at this locality: Al C Ca F Fe H K Mn Na O S Si U V 

Structural Groups for minerals in this locality: 
AmorphousBerylBixbyiteCalciteCorundumFeldsparFluoriteGarnetNonePseudobrookite
QuartzRutileTopaz

19 IMA Minerals at location:
Almandine  (*)Beryl  (*)Bixbyite  (*)Calcite  (*)Carnotite  (*)
Fluorite  (*)Hematite  (*)Holfertite  (*)Ilmenite  (*)Opal  (*)
Pseudobrookite  (*)Quartz  (*)Rutile  (*)Sanidine  (*)Schröckingerite  (*)
Spessartine  (*)Topaz  (*)Uranophane-α  (*)Weeksite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Almandine  (*)GarnetFe2+3Al2(SiO4)302353
Beryl  (*)BerylBe3Al2Si6O1812745484286
Bixbyite  (*)BixbyiteMn3+2O31274548104
Calcite  (*)CalciteCa(CO3)2274545,27454827770
Carnotite  (*)NoneK2(UO2)2(VO4)2·3H2O01184
Fluorite  (*)FluoriteCaF22274545,2745489617
Hematite  (*)CorundumFe2O3127454814640
Holfertite  (*)None(UO2)1.75Ca0.25TiO4·3H2O12745483
Ilmenite  (*)CorundumFe2+Ti4+O312745485433
Opal  (*)AmorphousSiO2·nH2O2274545,2745482994
Pseudobrookite  (*)Pseudobrookite(Fe3+2Ti)O51274548164
Quartz  (*)QuartzSiO23274545,274548,27454961156
Rutile  (*)RutileTiO212745485614
Sanidine  (*)FeldsparK(AlSi3O8)2274545,274548598
Schröckingerite  (*)NoneNaCa3(UO2)(SO4)(CO3)3F·10H2O0128
Spessartine  (*)GarnetMn2+3Al2(SiO4)301214
Topaz  (*)TopazAl2SiO4F212745481476
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O0890
Weeksite  (*)None(K)2(UO2)2(Si5O13)·4H2O127454542


No ages have been assigned to this locality yet.
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