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Dumortierite from
Serra da Vereda, Boquira, Bahia, Brazil


Classification
Species:Dumortierite
Formula:Al(Al2O)(Al2O)2(SiO4)3(BO3)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz82 photos of Dumortierite associated with Quartz at this locality.
Citrine6 photos of Dumortierite associated with Citrine at this locality.
Albite6 photos of Dumortierite associated with Albite at this locality.
Muscovite6 photos of Dumortierite associated with Muscovite at this locality.
Schorl6 photos of Dumortierite associated with Schorl at this locality.
Dickite4 photos of Dumortierite associated with Dickite at this locality.
Data
Mineral Data:Click here to view Dumortierite data
Locality Data:Click here to view Serra da Vereda, Boquira, Bahia, Brazil
Data Identifiers
Mindat Occurrence Record ID:982378
Long-form Identifier:1:3:982378:5
GUID (UUID V4):4c5af8f6-071c-40bc-b532-fddeddaa7009
Localities for Dumortierite in this Region
São Marco quarry, Serra da Vereda, Boquira, Bahia, Brazil
Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazil
References
Reference Search (possible matching items)
Report (volume)
S3 Lead-Zinc Deposits of the Boquira District State of Bahia, Brazil GEOLOGICAL SURVEY BULLETIN 3...cooperation with the Departamento National da Producao Mineral, Brazil, under the auspices of the International...1110-A Lead-Zinc Deposits of the Boquira District State of Bahia, Brazil By ROBERT F. JOHNSON CONTRIBUTIONS...cooperation with the Departamento Nacional da Producdo Mineral, Brazil, under the auspices of the International...of the Serra de Macaubas._________________________ 1 2 2 5 6 8 8 8 East flank of the Serra de Maca
Journal (article/letter/editorial)
metaquartzites of the northern Serra do Espinhac o (State of Bahia, Brazil) G. Morteani1 and D. Ackermand2...horizon belongs to the Middle Proterozoic Serra de Vereda member of the S~ao Marcos Formation of the...hills of the Serra de Canas=Cana Brava (Northern Serra do Espinhac o, State of Bahia, NE Brazil) about 10...west of the town of Boquira. Sky blue lazulite and deep blue to lilac dumortierite are enriched in layers...the stability field of scorzalite–lazulite and dumortierite. The association of Al-phosphates with hematite
Journal (article/letter/editorial)
of the Veredas formation (Northern Espinhaço, Brazil): LA-ICP-MS age determinations on relict and recrystallized...of the Veredas formation (Northern Espinhaço, Brazil): LA-ICP-MS age determinations on relict and recrystallized...quartzites of the Veredas formation (Northern Espinhaço, Brazil): LA-ICP-MS age 3 determinations on relict and...Veredas Formation (Northern 22 Espinhaço fold belt, Brazil) have been dated using laser ablation inductively...Neoproterozoic age of the metamorphosed zircons of the 35 Vereda formation corresponds to the Brasiliano-Panafrican
Journal (article/letter/editorial)
crandallite in dumortierite quartzites, Vaca Morta quarry, Vereda range, Macatibas, Bahia, Brazil D. Visser...(PO3OH)(OH)6, in dumortierite quartzites from the Vaca Morta Quarry, Yereda range, Macatibas, Bahia, Brazil. The...The Vereda range in the northwest of the state of Bahia is well known for the occurrence of dumortierite...Franco, 1966; Cassedanne et al., 1989). The dumortierite-quartzites belong to the Proterozoic Santo Onofre...pebbles and lenses which occur scattered among the dumortierite quartzites. The granoblastic quartzite contains
Journal (article/letter/editorial)
metamorphosed phosphatic sandstone, Espinhaço fold belt (Brazil) Gerhard Franz1 · Giulio Morteani2 · Dieter Rhede3...sandstone from the Mesoproterozoic Espinhaço fold belt, Brazil, in a dissolution–precipitation reaction: zircon1...the Espinhaço supergroup (São Francisco craton, Brazil; Fig. 1). Backscattered electron images (BSE),...present in dumortierite (Morteani et al. 2007), and the minerals lazulite and dumortierite give the rocks...over approximately 1000 km N–S in central-eastern Brazil running from the southern border of the States
Journal (article/letter/editorial)
apatite, celestine, anhydrite, muscovite and dumortierite with the minor constituents zircon, monazite...trolleite, berlinite, lazulite, scorzalite, dumortierite, muscovite, kyanite and temperature data from...tectonothermal event. Key words: aluminum phosphate, dumortierite, Itremo Group, Madagascar, metamorphism, Panafrican...CaAl3 (PO4)(HPO4)(OH)6, berlinite AlPO4 and dumortierite Al6 (Al, Mg, Fe3 + , 䊐) [(O, OH)3 |BO3 |(SiO4)3]...have been described e. g. from the Serra do Espinhaço (Bahia, Brazil, Casse- danne & Franco 1966, Cassedanne
Report (volume)
and temperatures estimated for formation of dumortierite, grandidierite, and kornerupine Chapter 9. Table...Heteropol vie aral CMISetGr sec ce tiO ere et baaeen serra cre cee Calculated deformation-electron-density...light-element abundances. Nature 373:286 Carvalho da Silva J, Clark JR, Christ CL (1955) Crystal structure...Mineral 32:1-14. See also Jambor JL, Roberts AC, Vanko DA (1994) New Mineral Names. Am Mineral 79:1009-1014...McGee JJ (1990) The thermodynamic properties of dumortierite SizB[Alg.75M,25017.25(OH)o,75]. Am Mineral
Report (volume)
and temperatures estimated for formation of dumortierite, grandidierite, and kornerupine Chapter 9. Table...system AI2O3-B2O3-SÌO2-H2O "Boron-mullites" Dumortierite Alkali-free Al-tourmaline The system Mg0-Al...Borosilicates with Stoichiometric Trigonal Boron Dumortierite group Description Chemical composition Occurrence...light-element abundances. Nature 373:286 Carvalho da Silva J, Clark JR, Christ CL (1955) Crystal structure...Mineral 32:1-14. See also Jambor JL, Roberts AC, Vanko DA (1994) New Mineral Names. Am Mineral 79:1009-1014
Journal (issue)
Crystal 25x 17x 17mm. J& 60/13411. Agate (onyx) ?Brazil]. 6x 5 CM.N2 636/3292. Hofmann collection. All...Hungary, the Harz, Italy, Tirol, Saxony, Switzerland, Brazil, North America, Sitka Island, and Manila (Philippines)...Cacheuta 120- Las Plumas 121- Brumado 122- Itinga; Lavra da I lha: Taquaral 123- Diamantina 124- Galileia; Concelheiro...specimen. Photo: N. Pekova. 6. Euclase. Minas Gerais, Brazil. Crystal 8 mm tall. 1.V.& N . Pekov specimen. Photo:...calaverite — Stanislaus mine, Calaveras Co.);! dumortierite — Dehesa, San Diego Co.); ! epidote — Garnet
 
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