| | Book | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais...(Camara Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo...pedras preciosas do Brasil Bibliography 1. Gemology 2. Geology 3. Minerals - Brazil 4. Minerals- Classification... Mineralogy 6. Mineralogy - Brazil - History 7. Precious stones - Brazil I. Bartorelli, Andrea. II. Title | | | Book (volume) | and Peng Wenshi (1982). However, these publications do not contain any analytical data for reference samples...Y, Ba, Mn, Ca; M(1) ¼ Ca, Mn, REE, Na, Sr, Fe; M(2) ¼ Fe, Mn, Na, Zr, Ta, Ti, K, Ba, H3O; M(3) and M(4)...(open circles) and as ΣVIM2+ ¼ Ti + Nb + Mg + Mn + Fe + Zn 8 for samples with unknown structures (black... (12, 14, 15), lemmleinite-Ba (13), labuntsovite-Fe (16), labuntsovite-Mg (17, 21, 22, 26), paralabuntsovite-Mg...D-octahedra with lower-force characteristics (D ¼ Fe, Mg, Mn or Zn) in the labuntsovite-group minerals |
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Alto do Giz pegmatite, Equador, Rio Grande do Norte, Brazil