Brumado, Bahia, Brazil (original) (raw)

ⓘ Actinolite

Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2

ⓘ 'Agardite'

ⓘ Anatase

Formula: TiO2

References:

Barbosa, Carlos P., Falster, Alexander U., Simmons, William B., Webber, Karen L., Nizamoff, James, Gaines, Richard V. (2000) Minerals of the Brumado Magnestle Deposits, Serra das Éguas, Bahla, Brazil. Rocks & Minerals, 75 (1) 32-39 doi:10.1080/00357520009602572

ⓘ Beryl

Formula: Be3Al2(Si6O18)

Localities:

Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil
Pedra Preta pit, Serra das Éguas, Brumado, Bahia, Brazil
Pirajá deposit, Serra das Éguas, Brumado, Bahia, Brazil
Brumado, Bahia, Brazil
Serra das Éguas, Brumado, Bahia, Brazil

ⓘ Beryl var. Aquamarine

Formula: Be3Al2Si6O18

ⓘ Beryl var. Emerald

Formula: Be3Al2(Si6O18)

Localities:

Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil
Pirajá deposit, Serra das Éguas, Brumado, Bahia, Brazil
Brumado, Bahia, Brazil
Serra das Éguas, Brumado, Bahia, Brazil

ⓘ Brumadoite (TL)

Formula: Cu3(Te6+O4)(OH)4 · 5H2O

Type Locality:

References:

Atencio, D., Roberts, A. C., Matioli, P. A., Stirling, J. A. R., Venance, K. E., Doherty, W., Stanley, C. J., Rowe, R., Carpenter, G. J. C., Coutinho, J. M. V. (2008) Brumadoite, a new copper tellurate hydrate, from Brumado, Bahia, Brazil. Mineralogical Magazine, 72 (6). 1201-1205 doi:10.1180/minmag.2008.072.6.1201

ⓘ Chernovite-(Y)

Formula: Y(AsO4)

ⓘ Copper

Formula: Cu

References:

Barbosa, Carlos P., Falster, Alexander U., Simmons, William B., Webber, Karen L., Nizamoff, James, Gaines, Richard V. (2000) Minerals of the Brumado Magnestle Deposits, Serra das Éguas, Bahla, Brazil. Rocks & Minerals, 75 (1) 32-39 doi:10.1080/00357520009602572

ⓘ Crandallite

Formula: CaAl3(PO4)(PO3OH)(OH)6

ⓘ Cuprite

Formula: Cu2O

References:

Barbosa, Carlos P., Falster, Alexander U., Simmons, William B., Webber, Karen L., Nizamoff, James, Gaines, Richard V. (2000) Minerals of the Brumado Magnestle Deposits, Serra das Éguas, Bahla, Brazil. Rocks & Minerals, 75 (1) 32-39 doi:10.1080/00357520009602572

ⓘ Dolomite

Formula: CaMg(CO3)2

ⓘ Dravite

Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)

Localities:

Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil
Jatobá deposit, Serra das Éguas, Brumado, Bahia, Brazil
Pirajá deposit, Serra das Éguas, Brumado, Bahia, Brazil
Pedra Preta pit, Serra das Éguas, Brumado, Bahia, Brazil

ⓘ Enstatite

Formula: Mg2Si2O6

ⓘ Euclase

Formula: BeAl(SiO4)(OH)

ⓘ 'Feldspar Group'

ⓘ Florencite-(Ce)

Formula: CeAl3(PO4)2(OH)6

ⓘ Florencite-(La)

Formula: LaAl3(PO4)2(OH)6

ⓘ Fluor-uvite

Formula: CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3F

ⓘ 'Fluor-uvite-Uvite Series'

Localities:

Brumado, Bahia, Brazil
Serra das Éguas, Brumado, Bahia, Brazil
Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil ? (more information)
Pedra Preta pit, Serra das Éguas, Brumado, Bahia, Brazil ? (more information)

ⓘ Goethite

Formula: α-Fe3+O(OH)

ⓘ Gypsum

Formula: CaSO4 · 2H2O

ⓘ Hematite

Formula: Fe2O3

Localities:

Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil
Pedra Preta pit, Serra das Éguas, Brumado, Bahia, Brazil
Brumado, Bahia, Brazil

ⓘ Hydronováčekite

Formula: Mg(UO2)2(AsO4)2 · 12H2O

✪ Isokite

Formula: CaMg(PO4)F

Habit: Short prismatic crystal

Colour: Light gray

Description: Light gray and translucent prismatic crystal with bright luster, doubly terminated (~3 cm) on magnesite crystal cluster. Xray by Daniel Atencio at University of Sao Paulo and microprobe analysis by Luiz Menezes at Univrsity of Minas Gerais.

ⓘ Kyanite

Formula: Al2(SiO4)O

ⓘ Magnesite

Formula: MgCO3

Localities:

Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil
Pedra Preta pit, Serra das Éguas, Brumado, Bahia, Brazil
Pirajá deposit, Serra das Éguas, Brumado, Bahia, Brazil
Catiboaba mine, Serra das Éguas, Brumado, Bahia, Brazil

ⓘ Malachite

Formula: Cu2(CO3)(OH)2

ⓘ 'Manganese Oxides'

ⓘ 'Manganese Oxides var. Manganese Dendrites'

✪ Metazeunerite

Formula: Cu(UO2)2(AsO4)2 · 8H2O

ⓘ Monazite-(Ce)

Formula: Ce(PO4)

ⓘ 'Monazite Group'

Formula: REE(PO4)

ⓘ Mottramite

Formula: PbCu(VO4)(OH)

References:

Atencio, D., Roberts, A. C., Matioli, P. A., Stirling, J. A. R., Venance, K. E., Doherty, W., Stanley, C. J., Rowe, R., Carpenter, G. J. C., Coutinho, J. M. V. (2008) Brumadoite, a new copper tellurate hydrate, from Brumado, Bahia, Brazil. Mineralogical Magazine, 72 (6). 1201-1205 doi:10.1180/minmag.2008.072.6.1201

ⓘ Nováčekite

Formula: Mg(UO2)2(AsO4)2 · 10H2O

ⓘ Petalite

Formula: LiAl(Si4O10)

ⓘ Quartz

Formula: SiO2

Localities:

Pedra Preta pit, Serra das Éguas, Brumado, Bahia, Brazil
Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil
Pirajá deposit, Serra das Éguas, Brumado, Bahia, Brazil
Brumado, Bahia, Brazil

ⓘ Quartz var. Agate

ⓘ Rutile

Formula: TiO2

✪ Sellaite

Formula: MgF2

Description: The finest for the species - crystals to 5cm.

ⓘ Sklodowskite

Formula: Mg(UO2)2(SiO3OH)2 · 6H2O

ⓘ Svanbergite

Formula: SrAl3(PO4)(SO4)(OH)6

References:

Barbosa, Carlos P., Falster, Alexander U., Simmons, William B., Webber, Karen L., Nizamoff, James, Gaines, Richard V. (2000) Minerals of the Brumado Magnestle Deposits, Serra das Éguas, Bahla, Brazil. Rocks & Minerals, 75 (1) 32-39 doi:10.1080/00357520009602572

ⓘ Talc

Formula: Mg3Si4O10(OH)2

Localities:

Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil
Pedra Preta pit, Serra das Éguas, Brumado, Bahia, Brazil
Jatobá deposit, Serra das Éguas, Brumado, Bahia, Brazil
Catiboaba mine, Serra das Éguas, Brumado, Bahia, Brazil

ⓘ Thorutite

Formula: (Th,U,Ca)Ti2(O,OH)6

ⓘ Topaz

Formula: Al2(SiO4)(F,OH)2

ⓘ 'Tourmaline'

Formula: A D3G6 (T6O18)(BO3)3X3Z

✪ Tremolite

Formula: ◻Ca2Mg5(Si8O22)(OH)2

ⓘ Uraninite

Formula: UO2

Habit: irregular blebs

Colour: black

ⓘ Uvite

Formula: CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)

Description: Although Brumado, Brazil, was once (Henry et al., 2011) defined the type locality for uvite, it is not possible to assign "uvites" from Brumado to this species without a reliable analysis as specimens have been analysed with both OH- and F-dominant compositions.

References:

Henry, Darell J., Novak, Milan, Hawthorne, Frank C., Ertl, Andreas, Dutrow, Barbara L., Uher, Pavel, Pezzotta, Federico (2011) Nomenclature of the tourmaline-supergroup minerals. American Mineralogist, 96 (5) 895-913 doi:10.2138/am.2011.3636

ⓘ Wakefieldite-(Y)

Formula: Y(VO4)

References:

Barbosa, Carlos P., Falster, Alexander U., Simmons, William B., Webber, Karen L., Nizamoff, James, Gaines, Richard V. (2000) Minerals of the Brumado Magnestle Deposits, Serra das Éguas, Bahla, Brazil. Rocks & Minerals, 75 (1) 32-39 doi:10.1080/00357520009602572

ⓘ Woodhouseite

Formula: CaAl3(PO4)(SO4)(OH)6

References:

Barbosa, Carlos P., Falster, Alexander U., Simmons, William B., Webber, Karen L., Nizamoff, James, Gaines, Richard V. (2000) Minerals of the Brumado Magnestle Deposits, Serra das Éguas, Bahla, Brazil. Rocks & Minerals, 75 (1) 32-39 doi:10.1080/00357520009602572

ⓘ Zeunerite

Formula: Cu(UO2)2(AsO4)2 · 12H2O

ⓘ Zircon

Formula: Zr(SiO4)

ⓘ Zunyite

Formula: Al13Si5O20(OH,F)18Cl