Cochabamba, Bolivia (original) (raw)

Acanthite

Formula: Ag2S

Actinolite

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

Aegirine

Formula: NaFe3+Si2O6

Aegirine-augite

Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6

Albite

Formula: Na(AlSi3O8)

Localities:

Quenamari range, Morochata, Ayopaya Province, Cochabamba, Bolivia
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Cerro San Cristobal, Ayopaya Province, Cochabamba, Bolivia

Albite var. Oligoclase

Formula: (Na,Ca)[Al(Si,Al)Si2O8]

Allanite-(Ce)

Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)

Amesite

Formula: Mg2Al(AlSiO5)(OH)4

Habit: 6-pointed stars caused by sector twinning

Colour: dark green

Description: Amesite-2H

'Amphibole Supergroup'

Formula: A B2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

Analcime

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

Anatase

Formula: TiO2

'Ancylite'

Ancylite-(Ce)

Formula: CeSr(CO3)2(OH) · H2O

Andradite

Formula: Ca3Fe3+2(SiO4)3

Andradite var. Melanite

Formula: Ca3(Fe3+,Ti)2(SiO4)3

Anhydrite

Formula: CaSO4

Localities: Reported from at least 6 localities in this region.

Ankerite

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

Annabergite

Formula: Ni3(AsO4)2 · 8H2O

References:

Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (2000) Handbook of Mineralogy Vol. 4 - Arsenates, phosphates, vanadates. Mineral Data Publishing, Tucson, Arizona.

Anthophyllite

Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2

'Apatite'

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

'Apophyllite Group'

Formula: A B4[Si8O22]X · 8H2O

Aragonite

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

Arsenic

Formula: As

Arsenopyrite

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

Atacamite

Formula: Cu2(OH)3Cl

Augelite

Formula: Al2(PO4)(OH)3

Augite

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

Azurite

Formula: Cu3(CO3)2(OH)2

'Barkevikite'

Description: Discredited, see amphibole

Baryte

Formula: BaSO4

Localities: Reported from at least 9 localities in this region.

Bassanite

Formula: Ca(SO4) · 0.5H2O

Bastnäsite-(Ce)

Formula: Ce(CO3)F

Bellbergite

Formula: (K,Ba,Sr)2Sr2Ca2(Ca,Na)4[Al3Si3O12]6 · 30H2O

'Biotite'

Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Bismuth

Formula: Bi

Bismuthinite

Formula: Bi2S3

Boracite

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.

Bornite

Formula: Cu5FeS4

Boulangerite

Formula: Pb5Sb4S11

Brannerite

Formula: UTi2O6

Habit: thin prismatic

Colour: black

Description: Inclusions surrounded by radiation halo, in quartz crystals.

Brochantite

Formula: Cu4(SO4)(OH)6

Burbankite

Formula: (Na,Ca)3(Sr,Ba,Ce)3(CO3)5

Calcite

Formula: CaCO3

Localities: Reported from at least 10 localities in this region.

Cancrinite

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

Cassiterite

Formula: SnO2

Localities: Reported from at least 7 localities in this region.

Cerussite

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

'Chabazite'

Chalcanthite

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

Chalcocite

Formula: Cu2S

Chalcopyrite

Formula: CuFeS2

Localities: Reported from at least 9 localities in this region.

Chlorargyrite

Formula: AgCl

'Chlorite Group'

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

Chromite

Formula: Fe2+Cr3+2O4

Chrysotile

Formula: Mg3(Si2O5)(OH)4

Churchite-(Y)

Formula: Y(PO4) · 2H2O

Cinnabar

Formula: HgS

Clinoenstatite

Formula: MgSiO3

'Clinopyroxene Subgroup'

Copiapite

Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O

Copper

Formula: Cu

Coronadite ?

Formula: Pb(Mn4+6Mn3+2)O16

Covellite

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)

Cryptomelane

Formula: K(Mn4+7Mn3+)O16

Cuprite

Formula: Cu2O

Danburite

Formula: CaB2Si2O8

Localities: Reported from at least 11 localities in this region.

Description: All crystals doubly terminated. Abundant!

Daqingshanite-(Ce)

Formula: (Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x

Dawsonite

Formula: NaAlCO3(OH)2

Dickite

Formula: Al2(Si2O5)(OH)4

Diopside

Formula: CaMgSi2O6

Dolomite

Formula: CaMg(CO3)2

Localities: Reported from at least 21 localities in this region.

Dolomite var. Teruelite

Formula: CaMg(CO3)2

Donnayite-(Y)

Formula: NaCaSr3Y(CO3)6 · 3H2O

Dravite

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

Edingtonite

Formula: Ba[Al2Si3O10] · 4H2O

Epidote

Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)

Epsomite

Formula: MgSO4 · 7H2O

Ericaite

Formula: Fe2+3(B7O13)Cl

'Fayalite-Forsterite Series'

'Feldspar Group'

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

Ferberite

Formula: FeWO4

Ferro-hornblende

Formula: ◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2

'Florencite' ?

Fluorapatite

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

Fluorite

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

Forsterite

Formula: Mg2SiO4

Franckeite

Formula: Fe2+(Pb,Sn2+)6Sn4+2Sb2S14

Galena

Formula: PbS

Localities: Reported from at least 15 localities in this region.

Gersdorffite

Formula: NiAsS

'Glauconite'

Formula: K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2

Goethite

Formula: α-Fe3+O(OH)

Localities: Reported from at least 6 localities in this region.

Gold

Formula: Au

Localities: Reported from at least 6 localities in this region.

Gonnardite

Formula: (Na,Ca)2(Si,Al)5O10 · 3H2O

Goyazite

Formula: SrAl3(PO4)(PO3OH)(OH)6

Graphite

Formula: C

Greenalite

Formula: (Fe2+,Fe3+)2-3Si2O5(OH)4

Gypsum

Formula: CaSO4 · 2H2O

Localities: Reported from at least 6 localities in this region.

Halite

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

Harmotome

Formula: Ba2(Si12Al4)O32 · 12H2O

Hematite

Formula: Fe2O3

Localities: Reported from at least 15 localities in this region.

Hisingerite

Formula: Fe3+2(Si2O5)(OH)4 · 2H2O

'Hornblende Root Name Group'

Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2

Hydromagnesite

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)

Hydrozincite

Formula: Zn5(CO3)2(OH)6

Ilmenite

Formula: Fe2+TiO3

Iron

Formula: Fe

Iron var. Kamacite

Formula: (Fe,Ni)

Jamesonite

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

Jarosite

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)

'Jeromite'

Description: First locality known for jeromite that was NOT produced by a mine fire!

'K Feldspar'

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

Krasnovite

Formula: Ba(Al,Mg)(PO4,CO3)(OH)2 · H2O

Habit: radial-fibrous spheres

Colour: light blue to white

Langite

Formula: Cu4(SO4)(OH)6 · 2H2O

Laumontite ?

Formula: CaAl2Si4O12 · 4H2O

Description: (not analysed) Associated with analcime and nordstrandite.

Lazulite

Formula: MgAl2(PO4)2(OH)2

'Limonite'

Localities: Reported from at least 9 localities in this region.

Litharge

Formula: PbO

Magnesioferrite

Formula: MgFe3+2O4

Magnesio-riebeckite (TL)

Formula: ◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2

Localities: Reported from at least 20 localities in this region.

Magnesite

Formula: MgCO3

Localities: Reported from at least 9 localities in this region.

Magnetite

Formula: Fe2+Fe3+2O4

Localities: Reported from at least 7 localities in this region.

Magnetite var. Titanium-bearing Magnetite

Formula: Fe2+(Fe3+,Ti)2O4

Malachite

Formula: Cu2(CO3)(OH)2

Localities: Reported from at least 7 localities in this region.

Marcasite

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

'Mckelveyite'

Mckelveyite-(Y)

Formula: NaCaBa3Y(CO3)6 · 3H2O

Melanterite

Formula: Fe2+(H2O)6SO4 · H2O

'Melilite Group'

Formula: Ca2M(XSiO7)

Metastibnite

Formula: Sb2S3

'Mica Group'

Microcline

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

Millerite

Formula: NiS

Description: (Labelled simply "Cochabamba", but most likely from the La Sorpresa mine. In siderite.)

Minium

Formula: Pb3O4

Molybdenite

Formula: MoS2

'Monazite Group'

Formula: REE(PO4)

Monticellite

Formula: CaMgSiO4

Morenosite

Formula: NiSO4 · 7H2O

Muscovite

Formula: KAl2(AlSi3O10)(OH)2

Localities: Reported from at least 7 localities in this region.

Muscovite var. Sericite

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

Natrolite

Formula: Na2Al2Si3O10 · 2H2O

Nepheline

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

Nickeline

Formula: NiAs

Niter

Formula: KNO3

Description: Occurs in playa deposits in the department.

References:

**Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.**p.304

Nordstrandite

Formula: Al(OH)3

'Odontolite'

Olekminskite

Formula: Sr(Sr,Ca,Ba)(CO3)2

Orthoclase

Formula: K(AlSi3O8)

Localities:

Quenamari range, Morochata, Ayopaya Province, Cochabamba, Bolivia
Cerro Sapo, Ayopaya Province, Cochabamba, Bolivia
Cerro San Cristobal, Ayopaya Province, Cochabamba, Bolivia

Oxy-dravite

Formula: Na(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3O

References:

Zacek, V., Fryda, J., Petrov, A., Hyrsl, J. (2000) Tourmalines of the povondraite-(oxy)dravite series from the cap rock of meta-evaporite in Alto Chapare, Cochabamba, Bolivia. - Journal of the Czech Geological Society 45/1-2, 3-12

Paranatrolite

Formula: Na2Al2Si3O10 · 3H2O

'Parisite'

Formula: Ca(Ce/La/Nd/REE)2(CO3)3F2

Perovskite

Formula: CaTiO3

Phlogopite

Formula: KMg3(AlSi3O10)(OH)2

Colour: green

Pitticite

Formula: (Fe, AsO4, H2O) (?)

'Plagioclase'

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

Polybasite

Formula: [Ag6Sb2S7][Ag9CuS4]

Polyhalite

Formula: K2Ca2Mg(SO4)4 · 2H2O

Povondraite (TL)

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

San Francisco mine, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia

(more information)

Prehnite

Formula: Ca2Al2Si3O10(OH)2

'Psilomelane'

Pyrite

Formula: FeS2

Localities: Reported from at least 22 localities in this region.

'Pyrochlore Group'

Formula: A2Nb2(O,OH)6Z

Pyromorphite

Formula: Pb5(PO4)3Cl

'Pyroxene Group'

Formula: ADSi2O6

Pyrrhotite

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.

Quartz

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.

Quartz var. Agate

Quartz var. Chalcedony

Formula: SiO2

'Quintinite-1M'

Rammelsbergite

Formula: NiAs2

Riebeckite

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

Rutile

Formula: TiO2

Localities:

Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
Unnamed kimberlite dykes, Independencia, Ayopaya Province, Cochabamba, Bolivia

Safflorite

Formula: (Co,Ni,Fe)As2

Sanidine

Formula: K(AlSi3O8)

Schorl

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

Scolecite

Formula: CaAl2Si3O10 · 3H2O

Scorodite

Formula: Fe3+AsO4 · 2H2O

'Serpentine Subgroup'

Formula: D3[Si2O5](OH)4

Siderite

Formula: FeCO3

Localities: Reported from at least 11 localities in this region.

Silver

Formula: Ag

'Smectite Group'

Formula: A0.3D2-3[T4O10]Z2 · nH2O

Sodalite

Formula: Na4(Si3Al3)O12Cl

Localities: Reported from at least 6 localities in this region.

Habit: Crystals to 9cm

Colour: blue

Sphalerite

Formula: ZnS

Localities: Reported from at least 12 localities in this region.

Stannite

Formula: Cu2FeSnS4

'Stibiconite'

Formula: Sb3+Sb5+2O6(OH)

Stibnite

Formula: Sb2S3

Localities: Reported from at least 8 localities in this region.

Stilpnomelane

Formula: (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O

Strontianite

Formula: SrCO3

'Synchysite'

Formula: Ca(Ce/Nd/Y/REE)(CO3)2F

Talc

Formula: Mg3Si4O10(OH)2

Localities: Reported from at least 6 localities in this region.

'Tennantite Subgroup'

Formula: Cu6(Cu4C2+2)As4S12S

'Tetrahedrite Subgroup'

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)

'Tetranatrolite'

Thorbastnäsite

Formula: ThCa(CO3)2F2 · 3H2O

Thorite

Formula: Th(SiO4)

Titanite

Formula: CaTi(SiO4)O

Tremolite

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

Troilite

Formula: FeS

Tungstite

Formula: WO3 · H2O

Turquoise

Formula: CuAl6(PO4)4(OH)8 · 4H2O

Ullmannite

Formula: NiSbS

Description: (Labelled simply "Cochabamba", but most likely from the La Sorpresa mine. In siderite.)

'UM2000-64-SiO:BFeHKMg'

Formula: (K,Na)Fe3+3(Mg2Fe3+4)Si6O18(BO3)3(OH)3O

References:

Žáček, V., Frýda, J., Petrov, A. and Hyršl, J. (2000): Tourmalines of the povondraite-(oxy)dravite series from the caps rocks of meta-evaporite in Alto Chapare, Cochamba, Bolivia. Journal of the Czech Geological Society, 45, 3-12.

Vanadinite

Formula: Pb5(VO4)3Cl

Description: Associated with nordstrandite and paranatrolite.

Vivianite

Formula: Fe2+Fe2+2(PO4)2 · 8H2O

Volkonskoite

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.

Wurtzite

Formula: (Zn,Fe)S

'Zeolite Group'