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4) Organic gems
Author
Series
Pub. Date
[2020]
Accelerated Reader
IL: LG - BL: 2.7 - AR Pts: 1
Description
This title explains what organic gems are, how and where they form in nature, and why they are set apart from inorganic gemstones--
Author
Pub. Date
2002
Description
"Designed for beginners and experienced collectors alike, DK's Smithsonian Handbook of Rocks and Minerals' explains what rocks or minerals are, how they are classified, and how to start a collection. A clear visual key illustrates the differences between igneous, metamorphic, and sedimentary rocks, then guides the reader to the correct rock entry. A concise glossary provides instant understanding of technical and scientific terms"--Back cover.
Author
Formats
Description
Focuses on the areas of collecting, identifying and determining the worth of rocks, minerals and gemstones; how and where collectors can acquire them; and, what they can do with them once excavated. This title includes 1,000 color pictures, which provide the visual detail the readers need to identify their rocks.
10) Rocks and minerals: [the visual guide to more than 500 rocks and minerals from around the world]
Author
Pub. Date
1992.
Description
Describes the properties, characteristics, and distinguishing features of mroe than 500 rocks and minerals around the world and includes a color photograph of each specimen.