The fingerprint of imperial topaz from Ouro Preto region (Minas Gerais State, Brazil) based on cathodoluminescence properties and composition
Gauzzi, Teodoro, Graca, Leonardo Martins, Lagoeiro, Leonardo, de Castro Mendes, Isolda, Queiroga, Glaucia Nascimento
Published in Mineralogical magazine (01.08.2018)
Published in Mineralogical magazine (01.08.2018)
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Journal Article
Polycrystals of “imperial” topaz from Minas Gerais state, Brazil
Gauzzi, Teodoro, da Silva, Gilberto Álvares, Diniz, Rafael Silva, Graça, Leonardo Martins
Published in Mineralogy and petrology (01.06.2019)
Published in Mineralogy and petrology (01.06.2019)
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Journal Article
Geochemistry of tourmaline-rich rocks in the Gavião Block, Northern São Francisco craton: implications for its formation
Farias, Eliana Marinho Branches, Zincone, Stefano Albino, dos Santos, Cláudia, Queiroga, Gláucia Nascimento, de Oliveira, Flávia Braga, da Silva, Gilberto Henrique Tavares Álvares, Graça, Leonardo Martins
Published in Mineralogy and petrology (01.06.2024)
Published in Mineralogy and petrology (01.06.2024)
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Journal Article
Toward the influence of iron oxide morphology on the grinding and filtration processes and on the cold crushing strength (CCS) of heat-treated iron ore pellets
Graça, Leonardo Martins, Álvares da Silva, Gilberto, Machado, Marcos Meyer, Silva, Josué Bortolini Sette da, Ávila, Carlos Fernando, Scholz, Ricardo, Lagoeiro, Leonardo
Published in Mineral processing and extractive metallurgy review (02.01.2020)
Published in Mineral processing and extractive metallurgy review (02.01.2020)
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Journal Article
What are the crystallographic and genetic implications of a naturally occurring polycrystal composed of two mineral phases of distinct symmetries and anionic groups? The case study of 'joint occurrence' of emerald+alexandrite polycrystals from Brazil
Gauzzi, Teodoro, Graça, Leonardo Martins, da Silva, Marco Antonio Leandro, Freitas, Erico Tadeu Fraga, Moreira, Breno Barbosa, Balzuweit, Karla
Published in Acta crystallographica. Section A, Foundations and advances (14.08.2021)
Published in Acta crystallographica. Section A, Foundations and advances (14.08.2021)
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Journal Article
Infrared and Raman spectroscopic characterization of the borate mineral hydroboracite CaMg[B3O4(OH)3]2⋅3H2O – Implications for the molecular structure
Frost, Ray L., Scholz, Ricardo, López, Andrés, Xi, Yunfei, Graça, Leonardo Martins
Published in Journal of molecular structure (05.02.2014)
Published in Journal of molecular structure (05.02.2014)
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Journal Article
Ore-waste and ore type classification using portable XRF: a case study of an iron mine from the Quadrilátero Ferrífero, Brazil
Emílio Evo Magro Corrêa Urbano, João Felipe Coimbra Leite Costa, Leonardo Martins Graça, Ricardo Augusto Cipriano Scholz
Published in Geologia USP. Série Científica (01.06.2020)
Published in Geologia USP. Série Científica (01.06.2020)
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Journal Article
Vibrational spectroscopic characterization of the sulphate mineral leightonite K2Ca2Cu(SO4)4⋅2H2O – Implications for the molecular structure
Frost, Ray L., López, Andrés, Xi, Yunfei, Scholz, Ricardo, Graça, Leonardo Martins, Lagoeiro, Leonardo
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (01.08.2013)
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (01.08.2013)
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Journal Article
Vibrational spectroscopic characterization of the sulphate mineral leightonite K2Ca2Cu(SO4)4·2H2O--implications for the molecular structure
Frost, Ray L, López, Andrés, Xi, Yunfei, Scholz, Ricardo, Graça, Leonardo Martins, Lagoeiro, Leonardo
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (01.08.2013)
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Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (01.08.2013)
Journal Article