Cochabamba, Bolivia (original) (raw)
Formula: Ag2S
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Localities:
Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Limbo subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Filadelfia mine, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
San Francisco mine, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: NaFe3+Si2O6
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Formula: Na(AlSi3O8)
Localities:
Quenamari range, Morochata, Ayopaya Province, Cochabamba, Bolivia
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Cerro San Cristobal, Ayopaya Province, Cochabamba, Bolivia
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Formula: Mg2Al(AlSiO5)(OH)4
Habit: 6-pointed stars caused by sector twinning
Colour: dark green
Description: Amesite-2H
Formula: A B2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Formula: Na(AlSi2O6) · H2O
Localities:
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Quenamari range, Morochata, Ayopaya Province, Cochabamba, Bolivia
Sodalite occurrence, Independencia, Ayopaya Province, Cochabamba, Bolivia
Carpacayma, Capinota Province, Cochabamba, Bolivia
Formula: TiO2
Formula: CeSr(CO3)2(OH) · H2O
Formula: Ca3Fe3+2(SiO4)3
Formula: Ca3(Fe3+,Ti)2(SiO4)3
Formula: CaSO4
Localities: Reported from at least 6 localities in this region.
Formula: Ca(Fe2+,Mg)(CO3)2
Localities:
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Sodalite occurrence, Independencia, Ayopaya Province, Cochabamba, Bolivia
Coricoya mine, Molinero, Mizque Province, Cochabamba, Bolivia
Chiarake (Chiaracke; Chiaraque), Ayopaya Province, Cochabamba, Bolivia
Colour: light green
Formula: Ni3(AsO4)2 · 8H2O
References:
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
Formula: Ca5(PO4)3(Cl/F/OH)
Localities:
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Unnamed kimberlite dykes, Independencia, Ayopaya Province, Cochabamba, Bolivia
Chiarake (Chiaracke; Chiaraque), Ayopaya Province, Cochabamba, Bolivia
Laguna Khoallaqui, Ayopaya Province, Cochabamba, Bolivia
Cerro San Cristobal, Ayopaya Province, Cochabamba, Bolivia
Formula: A B4[Si8O22]X · 8H2O
Formula: CaCO3
Localities:
Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Limbo subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Incuyo, Tapacari Province, Cochabamba, Bolivia
Dolomite quarry, Minasmayu valley, Chocolatal (Rocko Rancho), Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Minasmayu valley, Chocolatal (Rocko Rancho), Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: As
Formula: FeAsS
Localities:
Kami Mine, Ayopaya Province, Cochabamba, Bolivia
Chicote Chico, Ayopaya Province, Cochabamba, Bolivia
14 de Septiembre Mine, Cerro Grande District, Arque Province, Cochabamba, Bolivia
Formula: Cu2(OH)3Cl
Formula: Al2(PO4)(OH)3
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Localities:
Limbo subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Kilómetro 123, Limbo subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: Cu3(CO3)2(OH)2
Description: Discredited, see amphibole
Formula: BaSO4
Localities: Reported from at least 9 localities in this region.
Formula: Ca(SO4) · 0.5H2O
Formula: Ce(CO3)F
Formula: (K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2O
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Formula: Bi
Formula: Bi2S3
Formula: Mg3(B7O13)Cl
Localities:
Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Tres Amigos mine (Quebrada Asbestera), Minasmayu valley, Chocolatal (Rocko Rancho), Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Cristalmayu river alluvials, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Paraje Central (Derrumbe Boston), Boston mine, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Description: Possibly world's largest crystals of this species - up to 27mm.
Formula: Cu5FeS4
Formula: Pb5Sb4S11
Formula: UTi2O6
Habit: thin prismatic
Colour: black
Description: Inclusions surrounded by radiation halo, in quartz crystals.
Formula: Cu4(SO4)(OH)6
Formula: (Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Formula: CaCO3
Localities: Reported from at least 10 localities in this region.
Formula: (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Localities:
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Quenamari range, Morochata, Ayopaya Province, Cochabamba, Bolivia
Cerro San Cristobal, Ayopaya Province, Cochabamba, Bolivia
Formula: SnO2
Localities: Reported from at least 7 localities in this region.
Formula: PbCO3
Localities:
Chilcani District, Morochata, Ayopaya Province, Cochabamba, Bolivia
Sayari Mine, Cerro Sayari, Arque Province, Cochabamba, Bolivia
San Onofre Mine, Huspa-Huspa (Uspa-Uspa; Ushpa-Ushpa), Cercado Province, Cochabamba, Bolivia
Quebrada Quimsa Palka, Esteban Arce Province, Cochabamba, Bolivia
Formula: CuSO4 · 5H2O
Localities:
Kami Mine, Ayopaya Province, Cochabamba, Bolivia
Yarvicoya mine (Stella Maris mine), Yarvicoya, Tapacari Province, Cochabamba, Bolivia
Parotani district, Quillacollo Province, Cochabamba, Bolivia
Formula: Cu2S
Formula: CuFeS2
Localities: Reported from at least 9 localities in this region.
Formula: AgCl
Localities:
Filadelfia mine, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Tres Amigos mine (Quebrada Asbestera), Minasmayu valley, Chocolatal (Rocko Rancho), Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: Fe2+Cr3+2O4
Formula: Mg3(Si2O5)(OH)4
Formula: Y(PO4) · 2H2O
Formula: HgS
Formula: MgSiO3
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Formula: Cu
Formula: Pb(Mn4+6Mn3+2)O16
Formula: CuS
Localities:
Yarvicoya mine (Stella Maris mine), Yarvicoya, Tapacari Province, Cochabamba, Bolivia
Parotani district, Quillacollo Province, Cochabamba, Bolivia
Quebrada Quimsa Palka, Esteban Arce Province, Cochabamba, Bolivia ? (more information)
Formula: K(Mn4+7Mn3+)O16
Formula: Cu2O
Formula: CaB2Si2O8
Localities: Reported from at least 11 localities in this region.
Description: All crystals doubly terminated. Abundant!
Formula: (Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
Formula: NaAlCO3(OH)2
Formula: Al2(Si2O5)(OH)4
Formula: CaMgSi2O6
Formula: CaMg(CO3)2
Localities: Reported from at least 21 localities in this region.
Formula: CaMg(CO3)2
Formula: NaCaSr3Y(CO3)6 · 3H2O
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Localities:
Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Kami Mine, Ayopaya Province, Cochabamba, Bolivia
Filadelfia mine, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: Ba[Al2Si3O10] · 4H2O
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Formula: MgSO4 · 7H2O
Formula: Fe2+3(B7O13)Cl
ⓘ 'Fayalite-Forsterite Series'
Localities:
Tres Amigos mine (Quebrada Asbestera), Minasmayu valley, Chocolatal (Rocko Rancho), Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Boston Mine, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Blanca mine, Campovía, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: FeWO4
Formula: ◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2
Formula: Ca5(PO4)3F
Localities:
Cerro Grande District, Arque Province, Cochabamba, Bolivia
Cerro Grande Mine, Cerro Grande District, Arque Province, Cochabamba, Bolivia
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Kami Mine, Ayopaya Province, Cochabamba, Bolivia
Formula: CaF2
Localities:
Kami Mine, Ayopaya Province, Cochabamba, Bolivia
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Chiarake (Chiaracke; Chiaraque), Ayopaya Province, Cochabamba, Bolivia
Santa Rosa section, Kami Mine, Ayopaya Province, Cochabamba, Bolivia
Formula: Mg2SiO4
Formula: Fe2+(Pb,Sn2+)6Sn4+2Sb2S14
Formula: PbS
Localities: Reported from at least 15 localities in this region.
Formula: NiAsS
Formula: K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Formula: α-Fe3+O(OH)
Localities: Reported from at least 6 localities in this region.
Formula: Au
Localities: Reported from at least 6 localities in this region.
Formula: (Na,Ca)2(Si,Al)5O10 · 3H2O
Formula: SrAl3(PO4)(PO3OH)(OH)6
Formula: C
Formula: (Fe2+,Fe3+)2-3Si2O5(OH)4
Formula: CaSO4 · 2H2O
Localities: Reported from at least 6 localities in this region.
Formula: NaCl
Localities:
Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
El Palmar subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Brine spring, Cachimayu, El Palmar subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: Ba2(Si12Al4)O32 · 12H2O
Formula: Fe2O3
Localities: Reported from at least 15 localities in this region.
Formula: Fe3+2(Si2O5)(OH)4 · 2H2O
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Formula: Mg5(CO3)4(OH)2 · 4H2O
Localities:
Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Limbo subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Magnesite mine, Limbo subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia ? (more information)
Formula: Zn5(CO3)2(OH)6
Formula: Fe2+TiO3
Formula: Fe
Formula: (Fe,Ni)
Formula: Pb4FeSb6S14
Localities:
Chilcani District, Morochata, Ayopaya Province, Cochabamba, Bolivia
14 de Septiembre Mine, Cerro Grande District, Arque Province, Cochabamba, Bolivia
Begoña mine, Chilcani District, Morochata, Ayopaya Province, Cochabamba, Bolivia
Santa Rosa section, Kami Mine, Ayopaya Province, Cochabamba, Bolivia
Formula: KFe3+3(SO4)2(OH)6
Localities:
Kami Mine, Ayopaya Province, Cochabamba, Bolivia
Limonite pits, Huspa-Huspa (Uspa-Uspa; Ushpa-Ushpa), Cercado Province, Cochabamba, Bolivia
14 de Septiembre Mine, Cerro Grande District, Arque Province, Cochabamba, Bolivia ? (more information)
Description: First locality known for jeromite that was NOT produced by a mine fire!
Localities:
San Francisco mine, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Chiarake (Chiaracke; Chiaraque), Ayopaya Province, Cochabamba, Bolivia
El Palmar subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: Ba(Al,Mg)(PO4,CO3)(OH)2 · H2O
Habit: radial-fibrous spheres
Colour: light blue to white
Formula: Cu4(SO4)(OH)6 · 2H2O
Formula: CaAl2Si4O12 · 4H2O
Description: (not analysed) Associated with analcime and nordstrandite.
Formula: MgAl2(PO4)2(OH)2
Localities: Reported from at least 9 localities in this region.
Formula: PbO
Formula: MgFe3+2O4
Formula: ◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2
Localities: Reported from at least 20 localities in this region.
Formula: MgCO3
Localities: Reported from at least 9 localities in this region.
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 7 localities in this region.
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
Formula: Cu2(CO3)(OH)2
Localities: Reported from at least 7 localities in this region.
Formula: FeS2
Localities:
Kami Mine, Ayopaya Province, Cochabamba, Bolivia
Parotani district, Quillacollo Province, Cochabamba, Bolivia
Cerro Grande Mine, Cerro Grande District, Arque Province, Cochabamba, Bolivia
Formula: NaCaBa3Y(CO3)6 · 3H2O
Formula: Fe2+(H2O)6SO4 · H2O
Formula: Ca2M(XSiO7)
Formula: Sb2S3
Formula: K(AlSi3O8)
Localities:
Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: NiS
Description: (Labelled simply "Cochabamba", but most likely from the La Sorpresa mine. In siderite.)
Formula: Pb3O4
Formula: MoS2
Formula: REE(PO4)
Formula: CaMgSiO4
Formula: NiSO4 · 7H2O
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 7 localities in this region.
Formula: KAl2(AlSi3O10)(OH)2
Localities:
Magnesite mine, Limbo subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Cerro Grande Mine, Cerro Grande District, Arque Province, Cochabamba, Bolivia
El Molino-Choquecamata prospect, Cocapata district, Ayopaya Province, Cochabamba, Bolivia
Filadelfia mine, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: Na2Al2Si3O10 · 2H2O
Formula: Na3K(Al4Si4O16)
Localities:
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Quenamari range, Morochata, Ayopaya Province, Cochabamba, Bolivia
Carpacayma, Capinota Province, Cochabamba, Bolivia
Laguna Khoallaqui, Ayopaya Province, Cochabamba, Bolivia
Cerro San Cristobal, Ayopaya Province, Cochabamba, Bolivia
Formula: NiAs
Formula: KNO3
Description: Occurs in playa deposits in the department.
References:
Formula: Al(OH)3
Formula: Sr(Sr,Ca,Ba)(CO3)2
Formula: K(AlSi3O8)
Localities:
Quenamari range, Morochata, Ayopaya Province, Cochabamba, Bolivia
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Cerro San Cristobal, Ayopaya Province, Cochabamba, Bolivia
Formula: Na(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3O
References:
Formula: Na2Al2Si3O10 · 3H2O
Formula: Ca(Ce/La/Nd/REE)2(CO3)3F2
Formula: CaTiO3
Formula: KMg3(AlSi3O10)(OH)2
Colour: green
Formula: (Fe, AsO4, H2O) (?)
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Localities:
Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Tres Amigos mine (Quebrada Asbestera), Minasmayu valley, Chocolatal (Rocko Rancho), Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Aiquile meteorite, Aiquile, Campero Province, Cochabamba, Bolivia
Formula: [Ag6Sb2S7][Ag9CuS4]
Formula: K2Ca2Mg(SO4)4 · 2H2O
Formula: NaFe3+3(Mg2Fe3+4)(Si6O18)(BO3)3(OH)3O
Localities:
Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: Ca2Al2Si3O10(OH)2
Formula: FeS2
Localities: Reported from at least 22 localities in this region.
Formula: A2Nb2(O,OH)6Z
Formula: Pb5(PO4)3Cl
Formula: ADSi2O6
Formula: Fe1-xS
Localities:
Kami Mine, Ayopaya Province, Cochabamba, Bolivia
14 de Septiembre Mine, Cerro Grande District, Arque Province, Cochabamba, Bolivia
Berenguela Mine, Cerro Grande District, Arque Province, Cochabamba, Bolivia
Description: Japan-law twinning in quartz is unusually common here, many with inclusions of arsenopyrite, pyrrhotite or marcasite, and often coated with crusts of scorodite and pitticite.
Formula: SiO2
Localities: Reported from at least 23 localities in this region.
Description: Japan-law twinning in quartz is unusually common here, many with inclusions of arsenopyrite, pyrrhotite or marcasite, and often coated with crusts of scorodite and pitticite.
Formula: SiO2
Formula: NiAs2
Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
ⓘ 'Riebeckite Root Name Group'
Formula: ◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
ⓘ 'Riebeckite Root Name Group var. Crocidolite'
Formula: ◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
Formula: TiO2
Localities:
Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Unnamed kimberlite dykes, Independencia, Ayopaya Province, Cochabamba, Bolivia
Formula: (Co,Ni,Fe)As2
Formula: K(AlSi3O8)
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Localities:
Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
San Francisco mine, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Filadelfia mine, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: CaAl2Si3O10 · 3H2O
Formula: Fe3+AsO4 · 2H2O
Formula: D3[Si2O5](OH)4
Formula: FeCO3
Localities: Reported from at least 11 localities in this region.
Formula: Ag
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Formula: Na4(Si3Al3)O12Cl
Localities: Reported from at least 6 localities in this region.
Habit: Crystals to 9cm
Colour: blue
Formula: ZnS
Localities: Reported from at least 12 localities in this region.
Formula: Cu2FeSnS4
Formula: Sb3+Sb5+2O6(OH)
Formula: Sb2S3
Localities: Reported from at least 8 localities in this region.
Formula: (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Formula: SrCO3
Formula: Ca(Ce/Nd/Y/REE)(CO3)2F
Formula: Mg3Si4O10(OH)2
Localities: Reported from at least 6 localities in this region.
Formula: Cu6(Cu4C2+2)As4S12S
Formula: Cu6(Cu4C2+2)Sb4S12S
Localities:
Atocha mine, Arque Province, Cochabamba, Bolivia
Cerro Grande Mine, Cerro Grande District, Arque Province, Cochabamba, Bolivia
Begoña mine, Chilcani District, Morochata, Ayopaya Province, Cochabamba, Bolivia
Yarvicoya mine (Stella Maris mine), Yarvicoya, Tapacari Province, Cochabamba, Bolivia ? (more information)
Formula: ThCa(CO3)2F2 · 3H2O
Formula: Th(SiO4)
Formula: CaTi(SiO4)O
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Localities:
Carolina mine, Minasmayu valley, Chocolatal (Rocko Rancho), Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Filadelfia mine, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Formula: FeS
Formula: WO3 · H2O
Formula: CuAl6(PO4)4(OH)8 · 4H2O
Formula: NiSbS
Description: (Labelled simply "Cochabamba", but most likely from the La Sorpresa mine. In siderite.)
Formula: (K,Na)Fe3+3(Mg2Fe3+4)Si6O18(BO3)3(OH)3O
References:
Formula: Pb5(VO4)3Cl
Description: Associated with nordstrandite and paranatrolite.
Formula: Fe2+Fe2+2(PO4)2 · 8H2O
Formula: Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O
Description: From green pebbles in a metaconglomerate, perhaps derived by carbonatization of a nearby kimberlite or ultrabasic intrusive.
Formula: (Zn,Fe)S