A high-chromium corundum (ruby) inclusion in diamond from the São Luiz alluvial mine, Brazil

G. R. Watt, J. W. Harris, B. Harte, S. R. Boyd
1994 Mineralogical magazine  
A high-chromium corundum (ruby) inclusion in diamond from the Luiz alluvial mine, Brazil DIAMONDS from the S~.o Luiz alluvial deposit, Mato-Grosso state, Brazil, contain a varied assemblage of inclusions with a mineralogy and geochemistry indicative of formation over a wide range of mantle depths. Two unusual groups of inclusions have been recognised (Wilding et al., [Manuscript
doi:10.1180/minmag.1994.058.392.16 fatcat:savf4w5lqndjvcx4mucaiy2ew4