Monte Belo, Itinga, Minas Gerais, Brazil (original) (raw)

ⓘ Albite

Formula: Na(AlSi3O8)

ⓘ Albite var. Cleavelandite

Formula: Na(AlSi3O8)

ⓘ Amblygonite

Formula: LiAl(PO4)F

ⓘ Arsenopyrite

Formula: FeAsS

ⓘ Beryl

Formula: Be3Al2(Si6O18)

ⓘ 'Biotite'

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

ⓘ Cassiterite

Formula: SnO2

References:

Atencio, D., Filho, R. R. C., Mills, S. J., Coutinho, J. M. V., Honorato, S. B., Ayala, A. P., Ellena, J., de Andrade, M. B. (2011) Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld refinement. American Mineralogist, 96 (10) 1455-1460 doi:10.2138/am.2011.3594

ⓘ 'Columbite-Tantalite'

ⓘ Elbaite

Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)

References:

Atencio, D., Filho, R. R. C., Mills, S. J., Coutinho, J. M. V., Honorato, S. B., Ayala, A. P., Ellena, J., de Andrade, M. B. (2011) Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld refinement. American Mineralogist, 96 (10) 1455-1460 doi:10.2138/am.2011.3594

ⓘ Eosphorite

Formula: Mn2+Al(PO4)(OH)2 · H2O

ⓘ Fluor-elbaite (TL)

Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F

Type Locality:

References:

Bosi, F., Andreozzi, G. B., Skogby, H., Lussier, A. J., Abdu, Y., Hawthorne, F. C. (2013) Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup. American Mineralogist, 98 (2) 297-303 doi:10.2138/am.2013.4285

ⓘ Greifensteinite

Formula: Ca2Fe2+5Be4(PO4)6(OH)4 · 6H2O

ⓘ 'Indicolite'

Formula: A(D3)G6(T6O18)(BO3)3X3Z

ⓘ 'K Feldspar'

ⓘ Microcline

Formula: K(AlSi3O8)

✪ 'Microlite Group'

Formula: A2-mTa2X6-wZ-n

Habit: dodecahedron octahedron + others

Colour: yellow

Description: material with L. Menezes on Munich show 2004

ⓘ Monazite-(Ce)

Formula: Ce(PO4)

ⓘ Montebrasite

Formula: LiAl(PO4)(OH)

ⓘ Moraesite

Formula: Be2(PO4)(OH) · 4H2O

ⓘ Muscovite

Formula: KAl2(AlSi3O10)(OH)2

Localities:

Urubu mine, Monte Belo, Itinga, Minas Gerais, Brazil
Matinha pegmatite, Monte Belo, Itinga, Minas Gerais, Brazil
Costelão pegmatite, Monte Belo, Itinga, Minas Gerais, Brazil
Pirineus claim, Monte Belo, Itinga, Minas Gerais, Brazil

ⓘ Petalite

Formula: LiAl(Si4O10)

ⓘ Pollucite

Formula: (Cs,Na)2(Al2Si4O12) · 2H2O

ⓘ 'Polylithionite-Trilithionite Series'

ⓘ Quartz

Formula: SiO2

ⓘ Rankamaite

Formula: (Na,K)3(Ta,Nb,Al)11(O,OH)31

References:

Atencio, D., Filho, R. R. C., Mills, S. J., Coutinho, J. M. V., Honorato, S. B., Ayala, A. P., Ellena, J., de Andrade, M. B. (2011) Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld refinement. American Mineralogist, 96 (10) 1455-1460 doi:10.2138/am.2011.3594

ⓘ Roscherite

Formula: Ca2Mn2+5Be4(PO4)6(OH)4 · 6H2O

ⓘ Simpsonite

Formula: Al4Ta3O13(OH)

References:

Atencio, D., Filho, R. R. C., Mills, S. J., Coutinho, J. M. V., Honorato, S. B., Ayala, A. P., Ellena, J., de Andrade, M. B. (2011) Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld refinement. American Mineralogist, 96 (10) 1455-1460 doi:10.2138/am.2011.3594

ⓘ Sphalerite

Formula: ZnS

ⓘ Spodumene

Formula: LiAlSi2O6

ⓘ Thoreaulite

Formula: Sn2+Ta2O6

References:

Atencio, D., Filho, R. R. C., Mills, S. J., Coutinho, J. M. V., Honorato, S. B., Ayala, A. P., Ellena, J., de Andrade, M. B. (2011) Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld refinement. American Mineralogist, 96 (10) 1455-1460 doi:10.2138/am.2011.3594

ⓘ 'Tourmalinated Quartz'

ⓘ 'Tourmaline'

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

ⓘ 'Tourmaline var. Rubellite'

Formula: A(D3)G6(T6O18)(BO3)3X3Z

ⓘ 'Tourmaline var. Verdelite'

Formula: A(D3)G6(T6O18)(BO3)3X3Z

ⓘ Wardite

Formula: NaAl3(PO4)2(OH)4 · 2H2O

ⓘ Whewellite

Formula: Ca(C2O4) · H2O

Description: Not naturally formed, but due to cleaning with oxalic acid.

ⓘ Xenotime-(Y)

Formula: Y(PO4)

ⓘ Zanazziite

Formula: Ca2Mg5Be4(PO4)6(OH)4 · 6H2O

ⓘ 'Zinnwaldite'