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Mohave County, Arizona, USAi
Regional Level Types
Mohave CountyCounty
ArizonaState
USACountry

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Key
Locality type:
Largest Settlements:
PlacePopulation
Lake Havasu City53,553 (2017)
Bullhead City39,445 (2017)
Kingman28,912 (2017)
New Kingman-Butler12,134 (2011)
Golden Valley8,370 (2011)
Colorado City4,832 (2017)
Other Languages:
French:
Comté de Mohave, Arizona, États-Unis
German:
Mohave County, Arizona, Vereinigte Staaten
Italian:
Contea di Mohave, Arizona, Stati Uniti d'America
Navajo:
Cháʼoł Ląʼí Áłtsʼíísí Bił Hahoodzo, Hoozdo Hahoodzo, Wááshindoon Bikéyah Ałhidadiidzooígíí
Russian:
Мохаве, Аризона, Соединённые Штаты Америки
Simplified Chinese:
莫哈維縣, 亞利桑那州, 美国
Spanish:
Condado de Mohave, Arizona, Estados Unidos
Albanian:
Mohave County, Arizona, Shtetet e Bashkuara të Amerikës
Amharic:
ሞሃቬ ካውንቲ፥ አሪዞና, አሪዞና, አሜሪካ
Arabic:
مقاطعة موهاف, أريزونا, الولايات المتحدة
Armenian:
Մոհավե շրջան, Արիզոնա, Ամերիկայի Միացյալ Նահանգներ
Basque:
Mohave konderria, Arizona
Bavarian:
Mohave County, Arizona, Vaoanigte Stootn
Bishnupriya Manipuri:
মোহাবে কাউন্টি, অ্যারিজোনা, তিলপারাষ্ট্র
Bulgarian:
Мохаве, Аризона, Съединени американски щати
Catalan:
Comtat de Mohave, Arizona, Estats Units d’Amèrica
Cebuano:
Mohave County, Arizona (estado)
Croatian:
Mohave, Arizona, Sjedinjene Američke Države
Czech:
Mohave County, Arizona, Spojené státy americké
Danish:
Mohave County, Arizona, USA
Dutch:
Mohave County, Arizona (staat), Verenigde Staten
Estonian:
Mohave maakond, Arizona, Ameerika Ühendriigid
Farsi/Persian:
شهرستان موهاوی، آریزونا, آریزونا, ایالات متحده آمریکا
Finnish:
Mohaven piirikunta, Arizona, Yhdysvallat
Hebrew:
מוהאבי, אריזונה, ארצות הברית
Hungarian:
Mohave megye, Arizona, Amerikai Egyesült Államok
Irish Gaelic:
Contae Mohave, Arizona, Stáit Aontaithe Mheiriceá
Japanese:
モハーヴェ郡, アリゾナ州, アメリカ合衆国
Korean:
모하비 군, 애리조나주, 미국
Limburgian:
Mohave County, Arizona, Vereinegde Staote vaan Amerika
Low Saxon/Low German:
Mohave County, Arizona, USA
Malayalam:
മൊഹാവെ കൗണ്ടി, അരിസോണ
Min Dong Chinese:
Mohave Gông, Arizona
Norwegian:
Mohave County, Arizona, USA
Polish:
Hrabstwo Mohave, Arizona, Stany Zjednoczone
Portuguese:
Condado de Mohave, Arizona, Estados Unidos
Romanian:
Comitatul Mohave, Arizona, Statele Unite ale Americii
Serbian:
Округ Мохаве, Аризона, Сједињене Америчке Државе
Serbo-Croatian:
Mohave County, Arizona, Sjedinjene Američke Države
Swedish:
Mohave County, Arizona, USA
Turkish:
Mohave Kontluğu, Arizona, Amerika Birleşik Devletleri
Ukrainian:
Могаве, Аризона, Сполучені Штати Америки
Urdu:
موہیو کاؤنٹی، ایریزونا, ایریزونا, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Mohave, Arizona, Chủng Quốc Hoa Kỳ
Waray:
Condado han Mohave, Arizona, Estados Unidos
Western Punjabi:
موہاووے کاؤنٹی, ایریزونا, امریکہ


Mohave County is in the far Northwestern part of Arizona. It is dominated by a very persistent desert and contains several significant mining districts. Deposits include gold, silver, feldspar, REE's and manganese.

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

223 valid minerals. 2 (TL) - type locality of valid minerals. 2 erroneous literature entries.

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:

''
Localities:
Acanthite
Formula: Ag2S
Localities: Reported from at least 16 localities in this region.
Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Aeschynite-(Y)
Formula: (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
Reference: Rocks & Min. (2007) 82:236-237
Akaganeite ?
Formula: (Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 103; Eidel, J.J., et al (1968), Copper-molybdenum mineralization at Mineral Park, Mohave Co., AZ, in J.D. Ridge (ed.), Ore deposits of the United States, 1933-1967, A,I,M.E.: 1258-1281.
Alamosite
Formula: PbSiO3
Albite
Formula: Na(AlSi3O8)
Localities: Reported from at least 14 localities in this region.
'Albite-Anorthite Series'
Localities: Reported from at least 6 localities in this region.
Allanite-(Ce)
Formula: {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Localities: Reported from at least 8 localities in this region.
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Allanite-(Nd)
Formula: {CaNd}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Reference: S.L. Hanson, T.A. Brown, A.U. Falster, and W.B. Simmons (2011) "Allanite-(Nd)": a new mineral from the Kingman Feldspar Mine in the Mojave pegmatite district, northwestern Arizona. The 38th Rochester Mineralogical Symposium, April 14-17 2011, program notes, pp. 20-22; Hanson, S. L., Falster, A. U., Simmons, W. B. and Brown, T. A. (2012): Allanite-(Nd) from the Kingman feldspar mine, Mojave pegmatite district, northwestern Arizona, USA. Canadian Mineralogist, 50, 815-824.
Allanite-(Y)
Formula: {CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Reference: www.minresco.com/syst/a.htm
Allophane
Formula: (Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Description: Occurs in gangue.
Reference: Anthony, J.W., et al (1995), Mineralogy of AZ, 3rd. ed.:105; Romslo, T.M. (1948), Antler Cu-Zn Dep., Mohave Co., AZ, US Bur. of Mines Report of Invest. 4214.
Almandine
Formula: Fe2+3Al2(SiO4)3
Alunite
Formula: KAl3(SO4)2(OH)6
Description: Nodules in clay-turquoise-sulfide vein traversing an igneous host rock.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 107; Eidel, J.J., et al (1968), Copper-molybdenum mineralization at Mineral Park, Mohave Co., AZ, in J.D. Ridge (ed.), Ore deposits of the United States, 1933-1967, A,I,M.E.: 1258-1281; Field (1966).
'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Analcime
Formula: Na(AlSi2O6) · H2O
Localities: Reported from at least 6 localities in this region.
Anatase
Formula: TiO2
Reference: Galbraith, F.W. (1947), AZ Bur. of Mines Bull. 153, Minerals of AZ: 11.
Andalusite
Formula: Al2(SiO4)O
Anglesite
Formula: PbSO4
Localities: Reported from at least 6 localities in this region.
Anhydrite
Formula: CaSO4
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Localities: Reported from at least 7 localities in this region.
'Anorthoclase'
Formula: (Na,K)AlSi3O8
Reference: McGuire, A. V., & Mukasa, S. B. (1997). Magmatic modification of the uppermost mantle beneath the Basin and Range to Colorado Plateau Transition Zone; Evidence from xenoliths, Wikieup, Arizona. Contributions to mineralogy and petrology, 128(1), 52-65.
Anthophyllite
Formula: ☐{Mg2}{Mg5}(Si8O22)(OH)2
Antlerite (TL)
Formula: Cu3(SO4)(OH)4
Type Locality:
Colour: Pastel green, dark green
Description: As soft green lumps.
Reference: Hillibrand, W.F. (1889a); Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 545.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Localities: Reported from at least 10 localities in this region.
Aragonite
Formula: CaCO3
Description: 35 miles SE of Hackberry in granite pegmatite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 118; Palmer (1909).
'Arizonite (of Palmer)'
Reference: Rocks & Min.: 21:505.
Arsenopyrite
Formula: FeAsS
Localities: Reported from at least 21 localities in this region.
Atacamite
Formula: Cu2(OH)3Cl
Reference: Genth, F.A. (1868) Contributions to mineralogy. American Journal of Science 40: 114, 321.; Semmons, W. (1881) XVII. On brochantite and its associations. Mineralogical Magazine, vol. 4, n° 20, 259-263.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Azurite
Formula: Cu3(CO3)2(OH)2
Localities: Reported from at least 8 localities in this region.
Baryte
Formula: BaSO4
Localities: Reported from at least 26 localities in this region.
'Bastnäsite'
Reference: Brown, TJ, "Geology & Geochemistry of the Kingman Feldspar, Rare Metals and Wagon Bow Pegmatites" (2010). University of New Orleans Theses and Dissertations. Paper 1280.
Bastnäsite-(Ce)
Formula: Ce(CO3)F
Description: Nd-enriched
Reference: S.L. Hanson, T.A. Brown, A.U. Falster, and W.B. Simmons (2011) "Allanite-(Nd)": a new mineral from the Kingman Feldspar Mine in the Mojave pegmatite district, northwestern Arizona. The 38th Rochester Mineralogical Symposium, April 14-17 2011, program notes, pp 20-22.
Becquerelite
Formula: Ca(UO2)6O4(OH)6 · 8H2O
Reference: Robert B. Scarborough (1981) Radioactive occurrences and uranium production in Arizona GJBX – 143(81)
Beryl
Formula: Be3Al2(Si6O18)
Localities: Reported from at least 24 localities in this region.
Beryl var: Alkali-beryl
Formula: Be3Al2(Si6O18)
Description: A sodic-cesian beryl.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 133, 224; Schaller, W.T., et al (1962), An unusual beryl from AZ, Amer.Min.: 47:672-699.
'Betafite Group'
Formula: A2(Ti,Nb)2O6Z
Reference: HANSON , S.L., S IMM ONS , W.B., & F ALSTER , A.U. (2007) : A Reevaluation of Nb - Ta - Ti Oxides from the Rare Metals Mine, Mojave County Pegmatite District, Northwestern Arizona. Rochester Mineralogi cal Symposium Abstracts. No. 34, p. 13-14.
Bieberite
Formula: CoSO4 · 7H2O
Reference: MRDS file #10027310.; Robert B. Scarborough (1981) Radioactive occurrences and uranium production in Arizona GJBX – 143(81)
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Localities: Reported from at least 29 localities in this region.
Bismite
Formula: Bi2O3
Bismuth
Formula: Bi
Bismuthinite
Formula: Bi2S3
Bismutite
Formula: (BiO)2CO3
Bornite
Formula: Cu5FeS4
Localities: Reported from at least 17 localities in this region.
Botryogen
Formula: MgFe3+(SO4)2(OH) · 7H2O
Braunite
Formula: Mn2+Mn3+6(SiO4)O8
Description: Associated with a var. of Mn-oxides.
Reference: Anthony, J.W., et al (1995), Mineralogy of AZ, 3rd. ed.: 145; Head, R.E. (1941), Physical characteristics of some low-grade Mn Ores, US Bur. of mines Report of Invest.: 3560.
Brochantite
Formula: Cu4(SO4)(OH)6
Brockite
Formula: (Ca,Th,Ce)PO4 · H2O
Colour: White
Description: Fine-grained, opaque masses in v eins assoc. with hematite & goethite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 147; Staatz, M.H. (1985), Geology and description of the thorium and rare-earth veins in the Laughlin Peak area, Colfax Co., NM, USGS PP 1049-E.
Bromargyrite
Formula: AgBr
Brucite
Formula: Mg(OH)2
Calcite
Formula: CaCO3
Localities: Reported from at least 92 localities in this region.
Calcite var: Ferroan Calcite
Formula: (Ca,Fe)CO3
Calcite var: Limestone Onyx
Formula: CaCO3
Carnotite
Formula: K2(UO2)2(VO4)2 · 3H2O
Localities: Reported from at least 6 localities in this region.
Cassiterite
Formula: SnO2
Reference: Rocks & Min. (2007) 82:236-237; Brown, TJ, "Geology & Geochemistry of the Kingman Feldspar, Rare Metals and Wagon Bow Pegmatites" (2010). University of New Orleans Theses and Dissertations. Paper 1280.
Celestine
Formula: SrSO4
Cerussite
Formula: PbCO3
Localities: Reported from at least 36 localities in this region.
'Chabazite'
Chalcanthite
Formula: CuSO4 · 5H2O
Chalcocite
Formula: Cu2S
Localities: Reported from at least 32 localities in this region.
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 150 localities in this region.
Chamosite
Formula: (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Chevkinite-(Ce)
Formula: (Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
'Chevkinite Group'
Chlorargyrite
Formula: AgCl
Localities: Reported from at least 37 localities in this region.
'Chlorite Group'
Localities: Reported from at least 34 localities in this region.
Chromite
Formula: Fe2+Cr3+2O4
Chrysoberyl
Formula: BeAl2O4
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Localities: Reported from at least 31 localities in this region.
'Chrysoprase'
Description: Reported.
Reference: Univ. of AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in AZ: 30; Galbraith, F.W. & Brennan (1959), Minerals of AZ: 85.
Cinnabar
Formula: HgS
Claudetite
Formula: As2O3
Reference: The Canadian Mineralogist; October 2007; v. 45; no. 5; p. 1177-1188
'Clays'
'Clinoptilolite'
'Clinopyroxene Subgroup'
Reference: Conway, C.M., et al (1990), USGS Bull. 1737-E: E8, E13-E19.
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Colour: Dark green.
Description: Occurs in pegmatite.
Reference: Heinrich, E.Wm. (1960), AZ Bur. of Mines Bull. 167: 18-19.
Coffinite
Formula: U(SiO4) · nH2O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 181, 399; Weinrich, K.J. & Sutphin, H.B. (1989), Lithotectonic setting necessary for formation of a U-rich, solution-collapse breccia-pipe, Grand Canyon region, AZ, USGS Open-File Rept. 89-0173.
'Columbite-(Fe)-Columbite-(Mn) Series'
Conichalcite
Formula: CaCu(AsO4)(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 253; Wenrich, K.J. & H.B. Sutphin (1988), Recognition of breccia pipes in northern Arizona, AZ Bur. Geol. Min. Tech. Fieldnotes: 18:1-5, 11.
Copiapite
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Description: dealer label states minerals present are "bright yellow to greenish yellow copiapite, halotrichite, orange botroygen, and whitish yellow magnesiocopiapite"
Reference: David Shannon ID and label, circa. Dec., 2000.
Copper
Formula: Cu
'Copper Stain'
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Coronadite
Formula: Pb(Mn4+6Mn3+2)O16
Corundum
Formula: Al2O3
Cotunnite
Formula: PbCl2
Description: Reported as small veinlets replacing chalcocite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 190; Hill, J.M. (1914b), The Grand Gulch Mining Region, Mohave Co., AZ, USGS Bull.580: 39-58; Galbraith, F.W. & Brennan (1959), Mineras of AZ: 44.
Covellite
Formula: CuS
Localities: Reported from at least 8 localities in this region.
Creaseyite
Formula: Pb2Cu2Fe3+2(Si4.67Al0.33)O15.33(OH)3 · H2O
Cristobalite
Formula: SiO2
Reference: MRDS file #10056434.
Cronstedtite
Formula: Fe2+2Fe3+((Si,Fe3+)2O5)(OH)4
Cryptomelane
Formula: K(Mn4+7Mn3+)O16
Cummingtonite
Formula: ☐{Mg2}{Mg5}(Si8O22)(OH)2
Reference: Galbraith, F.W. & Brennan (1959), Mins. of AZ: 91.
Cuprite
Formula: Cu2O
Localities: Reported from at least 13 localities in this region.
Cuprotungstite
Formula: Cu2(WO4)(OH)2
Reference: Conway, C.M., et al (1990), USGS Bull. 1737-E: E10; Wilson, E.D. (1941), AZ Bur. of Mines Bull. 148, Tungsten Deps. of AZ: 11-14.
Descloizite
Formula: PbZn(VO4)(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 201; Hill, J.M. (1914b), The Grand Gulch Mining Region, Mohave Co., AZ, USGS Bull.580: 39-58; Galbraith, F.W. & Brennan (1959), Mineras of AZ: 70.
Descloizite var: Cuprian Descloizite
Formula: Pb(Zn,Cu)VO4OH
Reference: MRDS file #10102539.
Digenite
Formula: Cu9S5
Description: Dominant supergene mineral replacing pyrite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 204.
Diopside
Formula: CaMgSi2O6
Reference: McGuire, A. V., & Mukasa, S. B. (1997). Magmatic modification of the uppermost mantle beneath the Basin and Range to Colorado Plateau Transition Zone; Evidence from xenoliths, Wikieup, Arizona. Contributions to mineralogy and petrology, 128(1), 52-65.
Diopside var: Chromian Diopside
Formula: Ca(Mg,Cr)Si2O6
Reference: McGuire, A. V., & Mukasa, S. B. (1997). Magmatic modification of the uppermost mantle beneath the Basin and Range to Colorado Plateau Transition Zone; Evidence from xenoliths, Wikieup, Arizona. Contributions to mineralogy and petrology, 128(1), 52-65.
Dioptase
Formula: CuSiO3 · H2O
Dolomite
Formula: CaMg(CO3)2
Localities: Reported from at least 6 localities in this region.
Dufrénoysite
Formula: Pb2As2S5
Reference: Univ. of AZ Bull. 41 (1916-17), Mineralogy of Useful Minerals in AZ: 34; Galbraith, F.W. (1953), AZ Bur. of Mines Bull. 153: 29.
Duftite
Formula: PbCu(AsO4)(OH)
Description: As massive material cementing sandstone.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 208.
Embreyite
Formula: Pb5(CrO4)2(PO4)2 · H2O
Reference: Möckel, Steffen (2018), comfirmation via XRD.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Localities: Reported from at least 18 localities in this region.
'Erionite'
Erionite-K
Formula: (K2,Ca,Na2)2[Al4Si14O36] · 15H2O
Reference: azminerals.com
Erythrite ?
Formula: Co3(AsO4)2 · 8H2O
Description: Possibly bieberite.
Reference: Granger, H.C. & Raup, R.B. (1962), USGS Bull. 1147-A, Recon. Study of U Deps. in AZ: A18-A21.; Robert B. Scarborough (1981) Radioactive occurrences and uranium production in Arizona GJBX – 143(81)
Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Localities: Reported from at least 9 localities in this region.
'Fayalite-Forsterite Series'
'Feldspar Group'
Localities: Reported from at least 25 localities in this region.
'Feldspar Group var: Perthite'
Ferberite
Formula: FeWO4
'Fergusonite'
Ferrimolybdite
Formula: Fe2(MoO4)3 · nH2O
Ferro-hornblende
Formula: ☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
Reference: Conway, C.M., et al (1990), USGS Bull. 1737-E: E8, E13-E19.
Fluorapatite
Formula: Ca5(PO4)3F
Fluorite
Formula: CaF2
Localities: Reported from at least 75 localities in this region.
'Gadolinite'
Localities: Reported from at least 6 localities in this region.
Gadolinite-(Y)
Formula: Y2Fe2+Be2Si2O10
Galena
Formula: PbS
Localities: Reported from at least 201 localities in this region.
Galena var: Argentiferous Galena
Formula: PbS
Localities: Reported from at least 6 localities in this region.
'Garnet Group'
Formula: X3Z2(SiO4)3
Localities: Reported from at least 22 localities in this region.
Gersdorffite
Formula: NiAsS
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 231; Casebolt, , L.L., et al 91986), Underground geologic evaluation: Hack Canyon breccia pipe uranium orebody, Mohave Co., AZ (abs.), Geol.Soc.Amer. 18:345.
Glauberite
Formula: Na2Ca(SO4)2
'Glauconite'
Formula: (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Description: Coatings on analcime grains; as extensive glauconitic sand beds.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 233; Wilson, E.D. (1944), Arizona nonmetallics: A summary of past production and present operations, AZ Bur. of Mines Bull. 152; Galbraith, F.W. & Brennan (1959), Minerals of AZ: 107.
Goethite
Formula: α-Fe3+O(OH)
Localities: Reported from at least 6 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 207 localities in this region.
Goslarite
Formula: ZnSO4 · 7H2O
Reference: Galbraith, F.W. & Brennan (1959), Minerals of AZ: 61.
Graphite
Formula: C
Gypsum
Formula: CaSO4 · 2H2O
Localities: Reported from at least 32 localities in this region.
Gypsum var: Selenite
Formula: CaSO4 · 2H2O
Reference: Phillips, K.A. (1987), Arizona Industrial Minerals AZ Dept. of Mines and Mineral Resources Mineral Rpt. 4; MRDS file #10023694.
Hal