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 con- 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 Naray- of
already known structures". If we consider the Szabo (1930). new book by
Lima-de-Faria, Structural Classi- 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.