Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Randall Property, Brovard, Rand Mining District, Mineral County, Nevada, USAi
Regional Level Types
Randall PropertyProperty
Brovard- not defined -
Rand Mining DistrictMining District
Mineral CountyCounty
NevadaState
USACountry

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Latitude & Longitude (WGS84):
38° 47' 13'' North , 118° 24' 23'' West
Latitude & Longitude (decimal):
38.78714,-118.40652
GeoHash:
G#: 9qgu9sgp2
GRN:
N26W67
Type:
Property
Köppen climate type:
BWk : Cold desert climate
Nearest Settlements:
PlacePopulationDistance
Walker Lake275 (2017)33.9km
Hawthorne3,269 (2017)34.8km
Schurz658 (2011)39.5km
Gabbs269 (2011)42.9km
Mina155 (2011)51.1km
Mindat Locality ID:
49129
Long-form identifier:
mindat:1:2:49129:6
GUID (UUID V4):
0
Other/historical names associated with this locality:
Nevada Rand, Rand, Bovard, Koegel Mines, Last Hope


Deposit: Rich ore occurs in lenses in veins of a quartz gangue stained with iron and manganese oxides, in shear zone 20 to 40 ft. Wide. Ore body is well oxidized

Deposit type: Epithermal vein, Comstock

Development: Formerly owned by the nevada-rand mining co. Randall acquired the property in 1927

Geology: Ratio of gold to silve is 1:30.

Rock formation(s): Post-Esmeralda Volcanic Rocks
Post-Esmeralda Volcanic Rocks


Select Mineral List Type

Standard Detailed Gallery Strunz 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

20 valid minerals.

Rock Types Recorded

Note: 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:

ⓘ Acanthite
Formula: Ag2S
ⓘ Alunite
Formula: KAl3(SO4)2(OH)6
ⓘ Calaverite
Formula: AuTe2
ⓘ Calcite
Formula: CaCO3
ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chlorargyrite
Formula: AgCl
ⓘ 'Chlorite Group'
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Gold
Formula: Au
ⓘ Gold var. Electrum
Formula: (Au,Ag)
ⓘ Hematite
Formula: Fe2O3
ⓘ Jarosite
Formula: KFe3+3(SO4)2(OH)6
ⓘ 'K Feldspar'
ⓘ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
ⓘ 'Limonite'
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Polybasite
Formula: [Ag6Sb2S7][Ag9CuS4]
ⓘ Pyrargyrite
Formula: Ag3SbS3
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Tenorite
Formula: CuO
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
ⓘ 'Wad'
ⓘ Wulfenite
Formula: Pb(MoO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold
var. Electrum		1.AA.05(Au,Ag)
ⓘ1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘAcanthite2.BA.35Ag2S
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘCalaverite2.EA.10AuTe2
ⓘPyrite2.EB.05aFeS2
ⓘPyrargyrite2.GA.05Ag3SbS3
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
ⓘPolybasite2.GB.15[Ag6Sb2S7][Ag9CuS4]
Group 3 - Halides
ⓘChlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
ⓘTenorite4.AB.10CuO
ⓘHematite4.CB.05Fe2O3
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘ4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘCerussite5.AB.15PbCO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAlunite7.BC.10KAl3(SO4)2(OH)6
ⓘJarosite7.BC.10KFe3+3(SO4)2(OH)6
ⓘWulfenite7.GA.05Pb(MoO4)
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Unclassified
ⓘ'K Feldspar
var. Adularia'		-KAlSi3O8
ⓘ'Chlorite Group'-
ⓘ'Limonite'-
ⓘ'Wad'-
ⓘ'K Feldspar'-

List of minerals for each chemical element

HHydrogen
Hⓘ AluniteKAl3(SO4)2(OH)6
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ JarositeKFe33+(SO4)2(OH)6
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ K Feldspar var. AdulariaKAlSi3O8
Oⓘ AluniteKAl3(SO4)2(OH)6
Oⓘ CalciteCaCO3
Oⓘ CerussitePbCO3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ HematiteFe2O3
Oⓘ JarositeKFe33+(SO4)2(OH)6
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ TenoriteCuO
Oⓘ WulfenitePb(MoO4)
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
AlAluminium
Alⓘ K Feldspar var. AdulariaKAlSi3O8
Alⓘ AluniteKAl3(SO4)2(OH)6
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ K Feldspar var. AdulariaKAlSi3O8
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ AcanthiteAg2S
Sⓘ AluniteKAl3(SO4)2(OH)6
Sⓘ ChalcopyriteCuFeS2
Sⓘ JarositeKFe33+(SO4)2(OH)6
Sⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Sⓘ PyrargyriteAg3SbS3
Sⓘ PyriteFeS2
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ClChlorine
Clⓘ ChlorargyriteAgCl
KPotassium
Kⓘ K Feldspar var. AdulariaKAlSi3O8
Kⓘ AluniteKAl3(SO4)2(OH)6
Kⓘ JarositeKFe33+(SO4)2(OH)6
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ JarositeKFe33+(SO4)2(OH)6
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Cuⓘ TenoriteCuO
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
MoMolybdenum
Moⓘ WulfenitePb(MoO4)
AgSilver
Agⓘ AcanthiteAg2S
Agⓘ ChlorargyriteAgCl
Agⓘ Gold var. Electrum(Au,Ag)
Agⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Agⓘ PyrargyriteAg3SbS3
SbAntimony
Sbⓘ Polybasite[Ag6Sb2S7][Ag9CuS4]
Sbⓘ PyrargyriteAg3SbS3
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
TeTellurium
Teⓘ CalaveriteAuTe2
AuGold
Auⓘ CalaveriteAuTe2
Auⓘ Gold var. Electrum(Au,Ag)
Auⓘ GoldAu
PbLead
Pbⓘ CerussitePbCO3
Pbⓘ WulfenitePb(MoO4)

Other Databases

Link to USGS MRDS:10104019

Localities in this Region

USA

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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.

References

Black, J.W., (1920), Unpublished Report.
Woodson, Marle, (1920), Unpublished Report for Nevada Rand Mines Co.
Vanderburg, (1937), Reconnaissance of Mining Districts in Mineral County, Nevada; USBM Ic 6941
Ross, Donald C. (1961) Geology and mineral deposits of Mineral County, Nevada. Bulletin 58. Nevada Bureau of Mines
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