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The Cove (Topaz Valley), Topaz Mountain, Thomas Range, Juab Co., Utah, USAi
Regional Level Types
The Cove (Topaz Valley)Cove
Topaz MountainMountain
Thomas RangeMountain Range
Juab Co.County
UtahState
USACountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 39° 41' 49'' North , 113° 4' 40'' West (est.)
Margin of Error:~0km
Locality type:Cove
Köppen climate type:BSk : Cold semi-arid (steppe) climate


This site is the well known Topaz Mountain locality first described by Captain Simpson in the mid-19th century during reconnaissance for a telegraph route. The site and the area was later explored extensively by Maynard Bixby who first discovered bixbyite in the northern end of the Thomas Range. The site was also extensively studied by Staatz and Carr in the early 1960's and the best mapping and description of the area can be in "Staatz, M. H. and Carr, W. J., 1964, Geology and mineral deposits of the Thomas and Dugway Ranges, Juab and Tooele Counties, Utah: U. S. Geological Survey Professional Paper 415, 188 p." Although many claims were filed in and around the Topaz Valley over the years, the Bureau of Land Management has revoked all claims and has opened up the area to public collecting with hand tools only. This action by the BLM at this point only covers the Topaz Valley area and all other claims in the Thomas Range are still valid. One must obtain permission of the claim holders before collecting in other areas under claim in the area.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


13 valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Bixbyite4.CB.10Mn3+2O3
Hematite4.CB.05Fe2O3
Holfertite4.GB.70CaxU6+2-xTi(O8-xOH4x) · 3H2O
Ilmenite4.CB.05Fe2+TiO3
Opal4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
Pseudobrookite4.CB.15Fe2TiO5
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Rutile4.DB.05TiO2
var: Niobian Rutile4.DB.05(Ti,Nb)O2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
var: Red Beryl (TL)9.CJ.05Be3Al2Si6O18
Sanidine9.FA.30K(AlSi3O8)
Topaz9.AF.35Al2(SiO4)(F,OH)2
Unclassified Minerals, Rocks, etc.
'Garnet Group'-X3Z2(SiO4)3
'UM1995-17-O:CaHTiUY'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Bixbyite4.3.7.2Mn3+2O3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X5
Pseudobrookite7.7.1.1Fe2TiO5
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Sanidine76.1.1.2K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Beryl
var: Red Beryl (FRL)
-Be3Al2Si6O18
'Garnet Group'-X3Z2(SiO4)3
Holfertite-CaxU6+2-xTi(O8-xOH4x) · 3H2O
Opal
var: Opal-AN
-SiO2 · nH2O
Quartz
var: Amethyst
-SiO2
var: Chalcedony-SiO2
Rutile
var: Niobian Rutile
-(Ti,Nb)O2
'UM1995-17-O:CaHTiUY'-

List of minerals for each chemical element

HHydrogen
H TopazAl2(SiO4)(F,OH)2
H OpalSiO2 · nH2O
H Opal (var: Opal-AN)SiO2 · nH2O
H HolfertiteCaxU6+2-xTi(O8-xOH4x) · 3H2O
BeBeryllium
Be Beryl (var: Red Beryl)Be3Al2Si6O18
Be BerylBe3Al2(Si6O18)
CCarbon
C CalciteCaCO3
OOxygen
O Beryl (var: Red Beryl)Be3Al2Si6O18
O TopazAl2(SiO4)(F,OH)2
O BixbyiteMn23+O3
O Garnet GroupX3Z2(SiO4)3
O QuartzSiO2
O OpalSiO2 · nH2O
O IlmeniteFe2+TiO3
O Quartz (var: Chalcedony)SiO2
O SanidineK(AlSi3O8)
O CalciteCaCO3
O HematiteFe2O3
O PseudobrookiteFe2TiO5
O Rutile (var: Niobian Rutile)(Ti,Nb)O2
O Quartz (var: Amethyst)SiO2
O Opal (var: Opal-AN)SiO2 · nH2O
O HolfertiteCaxU6+2-xTi(O8-xOH4x) · 3H2O
O RutileTiO2
O BerylBe3Al2(Si6O18)
FFluorine
F TopazAl2(SiO4)(F,OH)2
F FluoriteCaF2
AlAluminium
Al Beryl (var: Red Beryl)Be3Al2Si6O18
Al TopazAl2(SiO4)(F,OH)2
Al SanidineK(AlSi3O8)
Al BerylBe3Al2(Si6O18)
SiSilicon
Si Beryl (var: Red Beryl)Be3Al2Si6O18
Si TopazAl2(SiO4)(F,OH)2
Si Garnet GroupX3Z2(SiO4)3
Si QuartzSiO2
Si OpalSiO2 · nH2O
Si Quartz (var: Chalcedony)SiO2
Si SanidineK(AlSi3O8)
Si Quartz (var: Amethyst)SiO2
Si Opal (var: Opal-AN)SiO2 · nH2O
Si BerylBe3Al2(Si6O18)
KPotassium
K SanidineK(AlSi3O8)
CaCalcium
Ca FluoriteCaF2
Ca CalciteCaCO3
Ca HolfertiteCaxU6+2-xTi(O8-xOH4x) · 3H2O
TiTitanium
Ti IlmeniteFe2+TiO3
Ti PseudobrookiteFe2TiO5
Ti Rutile (var: Niobian Rutile)(Ti,Nb)O2
Ti HolfertiteCaxU6+2-xTi(O8-xOH4x) · 3H2O
Ti RutileTiO2
MnManganese
Mn BixbyiteMn23+O3
FeIron
Fe IlmeniteFe2+TiO3
Fe HematiteFe2O3
Fe PseudobrookiteFe2TiO5
NbNiobium
Nb Rutile (var: Niobian Rutile)(Ti,Nb)O2
UUranium
U HolfertiteCaxU6+2-xTi(O8-xOH4x) · 3H2O

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Mineralogical Record (1995): 26: 123.
J. Holfert, W. Mroch, J. Fuller (1996) A Field Guide to Topaz and Associated Minerals of the Thomas Range, Utah (Topaz Mountain), Vol I, HM Publishing, 103 pp.


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