IMPORTANT MESSAGE. We need your support now to keep mindat.org running. Click here to find out why.
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for Educators
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Virgin Valley District, Virgin Valley, Humboldt Co., Nevada, USA

This page kindly sponsored by Christopher Wentzell
Key
Lock Map
Latitude & Longitude (WGS84): 41° 50' 39'' North , 119° 0' 38'' West
Latitude & Longitude (decimal): 41.84417,-119.01056
GeoHash:G#: 9r7q5c7pv
Locality type:Mining District
Köppen climate type:Dsb : Warm, dry-summer continental climate


The Virgin Valley Mining District is located in the extreme remote northwestern part of Humboldt County, Nevada, near the Oregon state line, and is within the Sheldon National Wildlife Refuge. About 68,000 acres have been set aside for general entry under the mining laws, while other areas have been withdrawn (closed) to mining claim location. The most notable mineral occurrence in the area is Precious Opal, for which the area is world-famous. The opals occur in two distinct types of deposits: Lode (primary, source, or in-situ), and Placer (alluvial, secondary) deposits. Three patented opal mines (Rainbow Ridge, Royal Peacock, and Bonanza) are open to the public during the summer months for fee digging. There are an estimated 150 to 300 active mining claims at any given time in the area. Lesser-known deposits for dimension stone, diatomite, manganese, and metals, exist. The Virgin Valley Black Fire Opal was designated the official precious gemstone for the State of Nevada in 1987 by the Nevada Legislature. Building Stone (dimension stone) was first quarried here for local homesteads and ranches in the late 1800's. Precious Opal was first discovered about 1905. There are an estimated 20 to 35 working private opal mines any given year.
The Virgin Valley area contains a barely scratched precious opal reserve and resource, and is part of a 68,000 acre area set aside for entry under the general mining laws. The opal-bearing areas are spread out over a large area, but the precious opal occurrences are smaller isolated deposits within the region. Common opal is just that, "common," and can be found throughout the area, along with petrified wood, agate, and obsidian. Most precious opal producing ground is covered by valid mining claims. Very few of the nearly 200 claims in the Valley actually produce precious opal. There are five patented mine groups in the mining district. Virgin Valley is considered to be the premiere source of precious opal in the United States (Jones, 2004, p.14). The most productive mines to date have been the famous Royal Peacock, Virgin Opal (Bonanza), and Rainbow Ridge Mines (USGS, 1984, p.6).
The closest town is Denio (NV) about 32 miles to the northeast (paved road). Lakeview (OR) is 95 miles northwest (paved road), and Winnemucca (NV) is about 120 miles southeast (paved road). Virgin Valley can also be accessed from Cedarville (CA), 56 miles away, during summer months by gravel road (not recommended unless experienced with this area). The closest gas is available in Denio Junction (31 miles) and in Fields, Oregon. The average high desert mining season is from May until mid-October, but the area is sometimes accessible year-round, weather permitting.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

23 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Ash'
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
Baryte
Formula: BaSO4
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; NBMG files No. 50600003; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
Carnotite
Formula: K2(UO2)2(VO4)2 · 3H2O
Reference: NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada; NBMG files No. 50600003; Statz, M. H. and H. L. Bauer Jr. (1951) Virgin Valley opal district, Humboldt County, Nevada. USGS Circular 142.; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
'Clinoptilolite'
Reference: Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
Coffinite ?
Formula: U(SiO4) · nH2O
Reference: NBMG files No. 50600003
Cristobalite
Formula: SiO2
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Cryptomelane
Formula: K(Mn4+7Mn3+)O16
Galena
Formula: PbS
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; NBMG files No. 50600003; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
'commodity:Gemstones'
Gypsum
Formula: CaSO4 · 2H2O
Reference: USGS Bull 1538D
Gypsum var: Satin Spar Gypsum
Formula: CaSO4 · 2H2O
Reference: USGS Bull 1538D
Hedenbergite
Formula: CaFe2+Si2O6
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Hollandite
Formula: Ba(Mn4+6Mn3+2)O16
Ilmenite
Formula: Fe2+TiO3
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; NBMG files No. 50600003; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
Kalinite
Formula: KAl(SO4)2 · 11H2O
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: NBMG files No. 50600003
Meta-ankoleite
Formula: K2(UO2)2(PO4)2 · 6H2O
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
Meta-autunite
Formula: Ca(UO2)2(PO4)2 · 6-8H2O
Reference: NBMG files No. 50600003
'commodity:Mineral specimens'
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Opal
Formula: SiO2 · nH2O
Reference: NBMG files No. 50600003; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
Opal var: Black Opal
Formula: SiO2 · nH2O
Reference: [www.johnbetts-fineminerals.com]
Opal var: Bone Opal
Formula: SiO2 · nH2O
Opal var: Crystal Opal
Formula: SiO2 · nH2O
Opal var: Honey Opal
Formula: SiO2 · nH2O
Opal var: Hydrophane
Formula: SiO2 · nH2O
Opal var: Jelly Opal
Formula: SiO2 · nH2O
Opal var: Lechosos Opal
Opal var: Milk Opal
Formula: SiO2 · nH2O
Reference: NBMG files No. 50600003; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
Opal var: Precious Fire Opal
Opal var: Precious Opal
Formula: SiO2 · nH2O
Localities: Reported from at least 19 localities in this region.
Opal var: Wood Opal
Formula: SiO2 · nH2O
Reference: NBMG files No. 50600003
'Petrified Wood'
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; NBMG files No. 50600003
Pyrite
Formula: FeS2
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; NBMG files No. 50600003; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
Pyrolusite
Formula: Mn4+O2
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
Quartz
Formula: SiO2
Reference: Christopher Wentzell
Quartz var: Carnelian
Reference: Christopher Wentzell
Quartz var: Chalcedony
Formula: SiO2
Reference: Christopher Wentzell
'Sandstone'
Schröckingerite
Formula: NaCa3(UO2)(CO3)3(SO4)F · 10H2O
Reference: NBMG Spec. Pub. 31 Minerals of Nevada
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
Soddyite
Formula: (UO2)2SiO4 · 2H2O
Reference: NBMG Spec. Pub. 31 Minerals of Nevada; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
'Tuff'
'Wad'
Reference: NBMG files No. 50600003; USGS Bull 1538D; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
Weeksite ?
Formula: K2(UO2)2(Si5O13) · 4H2O
Reference: NBMG files No. 50600003; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Carnotite4.HB.05K2(UO2)2(VO4)2 · 3H2O
Cristobalite4.DA.15SiO2
Cryptomelane4.DK.05aK(Mn4+7Mn3+)O16
Hollandite4.DK.05aBa(Mn4+6Mn3+2)O16
Ilmenite4.CB.05Fe2+TiO3
Opal4.DA.10SiO2 · nH2O
var: Black Opal4.DA.10SiO2 · nH2O
var: Bone Opal4.DA.10SiO2 · nH2O
var: Crystal Opal4.DA.10SiO2 · nH2O
var: Honey Opal4.DA.10SiO2 · nH2O
var: Hydrophane4.DA.10SiO2 · nH2O
var: Jelly Opal4.DA.10SiO2 · nH2O
var: Lechosos Opal4.DA.10SiO2 · nH2O
var: Milk Opal4.DA.10SiO2 · nH2O
var: Precious Fire Opal4.DA.10SiO2 · nH2O
var: Precious Opal4.DA.10SiO2 · nH2O
var: Wood Opal4.DA.10SiO2 · nH2O
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
var: Carnelian4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Schröckingerite5.EG.05NaCa3(UO2)(CO3)3(SO4)F · 10H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Baryte'7.AD.35BaSO4
Gypsum7.CD.40CaSO4 · 2H2O
var: Satin Spar Gypsum7.CD.40CaSO4 · 2H2O
Kalinite7.CC.15KAl(SO4)2 · 11H2O
Group 8 - Phosphates, Arsenates and Vanadates
'Autunite'8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Meta-ankoleite8.EB.15K2(UO2)2(PO4)2 · 6H2O
Meta-autunite8.EB.10Ca(UO2)2(PO4)2 · 6-8H2O
Group 9 - Silicates
Coffinite ?9.AD.30U(SiO4) · nH2O
Hedenbergite9.DA.15CaFe2+Si2O6
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Soddyite9.AK.05(UO2)2SiO4 · 2H2O
Weeksite ?9.AK.30K2(UO2)2(Si5O13) · 4H2O
Unclassified Minerals, Rocks, etc.
'Ash'-
Clinoptilolite-
Limonite-(Fe,O,OH,H2O)
Petrified Wood-
Sandstone-
Smectite Group-A0.3D2-3[T4O10]Z2 · nH2O
Tuff-
Wad-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 7 - MULTIPLE OXIDES
AB8X16
Cryptomelane7.9.1.2K(Mn4+7Mn3+)O16
Hollandite7.9.1.1Ba(Mn4+6Mn3+2)O16
Group 17 - COMPOUND CARBONATES
Miscellaneous
Schröckingerite17.1.5.1NaCa3(UO2)(CO3)3(SO4)F · 10H2O
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AB(XO4)2·xH2O
Kalinite29.5.4.2KAl(SO4)2 · 11H2O
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Carnotite40.2a.28.1K2(UO2)2(VO4)2 · 3H2O
Meta-ankoleite40.2a.8.1K2(UO2)2(PO4)2 · 6H2O
Meta-autunite40.2a.1.2Ca(UO2)2(PO4)2 · 6-8H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Coffinite ?51.5.2.4U(SiO4) · nH2O
Group 53 - NESOSILICATES Insular SiO4 Groups and Other Anions or Complex Cations
Insular SiO4 Groups and Other Anions of Complex Cations with (UO2)
Soddyite53.3.3.1(UO2)2SiO4 · 2H2O
Weeksite ?53.3.2.1K2(UO2)2(Si5O13) · 4H2O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Hedenbergite65.1.3a.2CaFe2+Si2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Cristobalite75.1.1.1SiO2
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Mordenite77.1.6.1(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Unclassified Minerals, Rocks, etc.
'Ash'-
'Clinoptilolite'-
Gypsum
var: Satin Spar Gypsum
-CaSO4 · 2H2O
'Limonite'-(Fe,O,OH,H2O)
Opal
var: Black Opal
-SiO2 · nH2O
var: Bone Opal-SiO2 · nH2O
var: Crystal Opal-SiO2 · nH2O
var: Honey Opal-SiO2 · nH2O
var: Hydrophane-SiO2 · nH2O
var: Jelly Opal-SiO2 · nH2O
var: Lechosos Opal-SiO2 · nH2O
var: Milk Opal-SiO2 · nH2O
var: Precious Fire Opal-SiO2 · nH2O
var: Precious Opal-SiO2 · nH2O
var: Wood Opal-SiO2 · nH2O
'Petrified Wood'-
Quartz
var: Carnelian
-SiO2
var: Chalcedony-SiO2
'Sandstone'-
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
'Tuff'-
'Wad'-

List of minerals for each chemical element

HHydrogen
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H Opal (var: Black Opal)SiO2 · nH2O
H Opal (var: Bone Opal)SiO2 · nH2O
H CarnotiteK2(UO2)2(VO4)2 · 3H2O
H CoffiniteU(SiO4) · nH2O
H Opal (var: Crystal Opal)SiO2 · nH2O
H GypsumCaSO4 · 2H2O
H Opal (var: Honey Opal)SiO2 · nH2O
H Opal (var: Hydrophane)SiO2 · nH2O
H Opal (var: Jelly Opal)SiO2 · nH2O
H KaliniteKAl(SO4)2 · 11H2O
H Limonite(Fe,O,OH,H2O)
H Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2O
H Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
H Opal (var: Milk Opal)SiO2 · nH2O
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
H OpalSiO2 · nH2O
H Opal (var: Precious Opal)SiO2 · nH2O
H Gypsum (var: Satin Spar Gypsum)CaSO4 · 2H2O
H SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H Soddyite(UO2)2SiO4 · 2H2O
H WeeksiteK2(UO2)2(Si5O13) · 4H2O
H Opal (var: Wood Opal)SiO2 · nH2O
CCarbon
C SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
OOxygen
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O BaryteBaSO4
O Opal (var: Black Opal)SiO2 · nH2O
O Opal (var: Bone Opal)SiO2 · nH2O
O CarnotiteK2(UO2)2(VO4)2 · 3H2O
O Quartz (var: Chalcedony)SiO2
O CoffiniteU(SiO4) · nH2O
O CristobaliteSiO2
O CryptomelaneK(Mn74+Mn3+)O16
O Opal (var: Crystal Opal)SiO2 · nH2O
O GypsumCaSO4 · 2H2O
O HedenbergiteCaFe2+Si2O6
O HollanditeBa(Mn64+Mn23+)O16
O Opal (var: Honey Opal)SiO2 · nH2O
O Opal (var: Hydrophane)SiO2 · nH2O
O IlmeniteFe2+TiO3
O Opal (var: Jelly Opal)SiO2 · nH2O
O KaliniteKAl(SO4)2 · 11H2O
O Limonite(Fe,O,OH,H2O)
O Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2O
O Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
O Opal (var: Milk Opal)SiO2 · nH2O
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
O OpalSiO2 · nH2O
O Opal (var: Precious Opal)SiO2 · nH2O
O PyrolusiteMn4+O2
O QuartzSiO2
O Gypsum (var: Satin Spar Gypsum)CaSO4 · 2H2O
O SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O Soddyite(UO2)2SiO4 · 2H2O
O WeeksiteK2(UO2)2(Si5O13) · 4H2O
O Opal (var: Wood Opal)SiO2 · nH2O
FFluorine
F SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
NaSodium
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Na Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Na SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
MgMagnesium
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al KaliniteKAl(SO4)2 · 11H2O
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
SiSilicon
Si Opal (var: Black Opal)SiO2 · nH2O
Si Opal (var: Bone Opal)SiO2 · nH2O
Si Quartz (var: Chalcedony)SiO2
Si CoffiniteU(SiO4) · nH2O
Si CristobaliteSiO2
Si Opal (var: Crystal Opal)SiO2 · nH2O
Si HedenbergiteCaFe2+Si2O6
Si Opal (var: Honey Opal)SiO2 · nH2O
Si Opal (var: Hydrophane)SiO2 · nH2O
Si Opal (var: Jelly Opal)SiO2 · nH2O
Si Opal (var: Milk Opal)SiO2 · nH2O
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Si OpalSiO2 · nH2O
Si Opal (var: Precious Opal)SiO2 · nH2O
Si QuartzSiO2
Si Soddyite(UO2)2SiO4 · 2H2O
Si WeeksiteK2(UO2)2(Si5O13) · 4H2O
Si Opal (var: Wood Opal)SiO2 · nH2O
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 11H2O
P Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2O
P Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
SSulfur
S BaryteBaSO4
S GalenaPbS
S GypsumCaSO4 · 2H2O
S KaliniteKAl(SO4)2 · 11H2O
S PyriteFeS2
S Gypsum (var: Satin Spar Gypsum)CaSO4 · 2H2O
S SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
KPotassium
K CarnotiteK2(UO2)2(VO4)2 · 3H2O
K CryptomelaneK(Mn74+Mn3+)O16
K KaliniteKAl(SO4)2 · 11H2O
K Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2O
K Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
K WeeksiteK2(UO2)2(Si5O13) · 4H2O
CaCalcium
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca GypsumCaSO4 · 2H2O
Ca HedenbergiteCaFe2+Si2O6
Ca Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Ca Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Ca Gypsum (var: Satin Spar Gypsum)CaSO4 · 2H2O
Ca SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
TiTitanium
Ti IlmeniteFe2+TiO3
VVanadium
V CarnotiteK2(UO2)2(VO4)2 · 3H2O
MnManganese
Mn CryptomelaneK(Mn74+Mn3+)O16
Mn HollanditeBa(Mn64+Mn23+)O16
Mn PyrolusiteMn4+O2
FeIron
Fe HedenbergiteCaFe2+Si2O6
Fe IlmeniteFe2+TiO3
Fe Limonite(Fe,O,OH,H2O)
Fe PyriteFeS2
BaBarium
Ba BaryteBaSO4
Ba HollanditeBa(Mn64+Mn23+)O16
PbLead
Pb GalenaPbS
UUranium
U AutuniteCa(UO2)2(PO4)2 · 11H2O
U CarnotiteK2(UO2)2(VO4)2 · 3H2O
U CoffiniteU(SiO4) · nH2O
U Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2O
U Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
U SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
U Soddyite(UO2)2SiO4 · 2H2O
U WeeksiteK2(UO2)2(Si5O13) · 4H2O

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Statz, M. H. and H. L. Bauer Jr. (1951) Virgin Valley opal district, Humboldt County, Nevada. USGS Circular 142.
Castor, Stephen B., Christopher D. Henry, Lisa A. Shevenell (1996), Nevada Bureau of Mines and Geology, Open-File Report 96-3.
Nevada Bureau of Mines and Geology, Minerals of Nevada, Special Publication 31.
Nevada Bureau of Mines and Geology files No. 50600003.
Humboldt County Recorder, Winnemucca, NV, Public records and documents (2004-2018);
U.S. Dept of the Interior, BLM, LR2000 mining claims database (2018);
Christopher Wentzell, personal files, notes, and documents pertaining to Virgin Valley Opal fields (2018);

Localities in this Region
Show map


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: November 13, 2018 00:31:14 Page generated: November 12, 2018 16:20:38
Go to top of page