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Although Arab contribution to the sciences is generally well known
in the Western world, Arab contributions to the study of gemology
are less recognized because of the lack of English-language
translations of notable Arab texts. Scarecrow Press is pleased to
present Samar Najm Abul Huda's translation of Ahmad ibn Yusuf al
Tifaschi's study of gems. Born in 1184, Al Tifaschi first learned
about gems from his father, and augmented his knowledge through
readings of Aristotle, Theophrastus, and Pliny, as well as through
extensive travels to mines and trading centers. In 1253, he wrote
what later became known as the most "methodical and complete" work
on precious stones. Gemologists of today are still astounded by the
advanced observations that Al Tifaschi made in this work. The book
covers 25 different stones, giving the crystallographic forms and
physical properties such as hardness, lustre, and dispersion. The
book also describes causes of the formation of gemstones within
their mother rocks as well as the characteristics of the mine
concerned. Abul Huda's translation of the work includes notations
on the translations of Al Tifaschi's work into other languages, as
well as background information on Al Tifaschi's world, the
well-known gemstones of the 13th century, the gemological
terminology used by the medieval Arabs, and notations on other
gemstones not mentioned by Al Tifaschi. Includes index, a general
bibliography, and illustrations of two precious gemstones in their
settings.
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