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Teófilo Otoni, Mucuri valley, Minas Gerais, Brazil
Detailed Mineral List:
| Albite | ||
| Formula: | NaAlSi3O8 | |
| Reference: | dan weinrich | |
| Beryl |  | |
| Formula: | Be3Al2(Si6O18) | |
| Reference: | Anthony J. Albini collection | |
| Photo: © . Beryl from Teófilo Otoni, Mucuri valley, Minas Gerais, Brazil | ||
| Beryl var: Aquamarine |  | |
| Formula: | Be3Al2Si6O18 | |
| Localities: | Recorded from at least 1 other locality in this region. | |
| Photo: © Rob Lavinsky. Aquamarine from Teófilo Otoni, Mucuri valley, Minas Gerais, Brazil | ||
| Chrysoberyl | ||
| Formula: | BeAl2O4 | |
| Columbite-(Fe) |  | |
| Formula: | FeNb2O6 | |
| Reference: | dan weinrich | |
| Photo: © Weinrich Minerals, Inc.. Columbite-(Fe) from Teófilo Otoni, Mucuri valley, Minas Gerais, Brazil | ||
| Elbaite |  | |
| Formula: | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) | |
| Reference: | dan weinrich | |
| Photo: © Brhounds. Elbaite from Teófilo Otoni, Mucuri valley, Minas Gerais, Brazil | ||
| Haiweeite |  | |
| Formula: | Ca(UO2)2[Si5O12(OH)2] · 4.5H2O | |
| Reference: | [AmMin 84:198] | |
| Photo: Haiweeite from Teófilo Otoni, Mucuri valley, Minas Gerais, Brazil | ||
| Iron | ||
| Formula: | Fe | |
| Reference: | dan weinrich | |
| Microcline | ||
| Formula: | KAlSi3O8 | |
| Reference: | dan weinrich | |
| Muscovite |  | |
| Formula: | KAl2(AlSi3O10)(OH)2 | |
| Reference: | dan weinrich | |
| Photo: © 1. Muscovite from Teófilo Otoni, Mucuri valley, Minas Gerais, Brazil | ||
| Quartz | ||
| Formula: | SiO2 | |
| Reference: | No reference listed | |
| Quartz var: Rutilated Quartz |  | |
| Reference: | No reference listed | |
| Photo: © 2001 John H. Betts. Rutilated Quartz from Teófilo Otoni, Mucuri valley, Minas Gerais, Brazil | ||
| Quartz var: Smoky Quartz | ||
| Formula: | SiO2 | |
| Reference: | No reference listed | |
| Rutile | ||
| Formula: | TiO2 | |
| Reference: | No reference listed | |
| Schorl | ||
| Formula: | Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH) | |
| Reference: | Juan Carlos Lodovichi | |
| Topaz |  | |
| Formula: | Al2(SiO4)(F,OH)2 | |
| Reference: | No reference listed | |
| Photo: © 2001 John H. Betts. Topaz from Teófilo Otoni, Mucuri valley, Minas Gerais, Brazil | ||
| Uranophane |  | |
| Formula: | Ca(UO2)2[HSiO4]2 · 5H2O | |
| Reference: | Sergio Varvello collection | |
| Photo: © sergio varvello. Uranophane from Teófilo Otoni, Mucuri valley, Minas Gerais, Brazil | ||
17 entries listed. 14 valid minerals.
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