by R. F. Symes, R. R. Harding · Altea · tapa dura · ISBN 9788437237589
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«Piedras Preciosas y Joyas» is the popular science work by R. F. Symes and R. R. Harding, published by Altea in hardcover (64 pages, in Spanish).
A popular science work on minerals and gems: it explains what a crystal is, how they form in nature and how they are obtained artificially, as well as their industrial use. With color photographs, it details the extraction, properties and value of stones such as quartz, diamond, beryl, opal, zircon and chrysoberyl.
It belongs to the Biblioteca Visual Altea collection, the Spanish version of the Eyewitness series. The original title is Crystal and Gem. It was published in association with the Natural History Museum in London.
Aimed at young readers aged 8 to 10 interested in geology and mineralogy, with photographs and brief explanations for school reference.
