The Minerals Encyclopedia: 700 Minerals, Gems and Rocks (Hochleitner Rupert)(Paperback)

Mineral collecting by amateur rockhounds has never been more popular. Old quarries, road cuts, and exposed landscapes are being examined by new generations of minerals enthusiasts. Each needs a comprehensive guidebook with clear photographs and accurate data. This is it. In a thick but handy format, more than 700 different minerals and rocks are grouped by color (for ease of location in the book) -- blue, red, yellow, brown, green, white and black crystals; brown and gray sedimentary rocks; and meteorites for anyone lucky enough to find one. Each has a picture -- four to a page -- opposite detailed but clear data: Chemical formula Hardness Color Density Lustre Cleavage Fracture Tenacity Crystal form Similar minerals and where they are likely to occur. And many
více informací