Learn what the Earth is made of - and how its rocks were formed, how early humans made the first flint tools and how diamonds and precious stones are cut, polished, and made into jewelry. Discover how prehistoric animals are preserved today as fossils, how volcanoes work, how rocks are formed from molten lava, how minerals and metals are mined and ...
Part of the "Eyewitness Guide" series, this visual encyclopaedia identifies the many different crystals that exist, from the rare to the more common, together with the properties they hold. The illustrations show how crystals are mined and the book follows their path to the jewellers window.
The book encompasses the minerals of Cumbria, Co. Durham, Yorkshire, Cleveland and Northumberland. The book falls into five main headings: the geology of northern England; the mines and minerals; mining; collecting and collectors; the minerals - this is a gallery of whole and half page photographs of individual specimens, mainly held in the ...
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