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In his foreword to Structural Mineralogy. An classification was taken into account. The first Introduction (Lima-de-Faria, 1994) P.B. Moore classification of this type, which takes into conÂ emphasized that this book "is really not an end in sideration the distribution of bonds in a structure, itself. Rather it is a rallying call to urge further was that of silicates proposed by Machatschki clarification, representation and systematization (1928) and developed by Bragg (1930) and NarayÂ of already known structures". If we consider the Szabo (1930). new book by Lima-de-Faria, Structural ClassiÂ The pure structural classification of minerals fication of Minerals, in this context, we can ask was first proposed by J. Lima-de-Faria in 1983. It corresponds to the application of the general what kind of new mineralogical data it contains. The twentieth century was characterized by structural classification of inorganic compounds great progress in the study of minerals. Less than (Lima-de-Faria & Figueiredo, 1976) to minerals, 100 minerals were known up until 1800. Since that which are an integral part of them. The most time, the rate of discovery of new minerals is general approach of the structural systematics is steadily increasing. Now it is found that natural based on the analysis of the strength distribution processes select some 4000 mineral species, and and of the directional character of the bonds in this number is increasing by 50-60 minerals every crystal structures.
The results of recent experimental studies and modern theoretical concepts are combined in this volume to provide a comprehensive analysis of sulfide mineral oxidation processes. Introductory chapters discuss the properties of sulfide minerals and various investigative techniques, followed by chapters on oxidation mechanisms and the behavior of minerals under these various oxidizing conditions. This book also demonstrates modern methods of physical-chemical modelling and the regulation and optimization of flotation processes.
' is really valuable and useful. It is not only a reference book but moreover a complete and rigorous study treatise, indispenssable for all prsons who need to learn about iron and its compounds, including the organic complexes and microbiological reactions. It plainly satisfies these aims and should be compulsory reading for university and research institute libraries. It is valuable for any scientist related with soil science, geology, sedimentology, geochemistry, mineralogy, or, more in general, anybody connected with the geosciences. It also provides a very good, up to date revision of iron literature up to 1987 and is, therefore, a rich source of information.' Geoderma, 47:1
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