Pkt Gde: Rocks & Minerals - Hardcover

 
9780855338657: Pkt Gde: Rocks & Minerals

Synopsis

A guide to the collectable materials, rocks, minerals and gemstones of the earth's crust. It looks at rocks and describes their origins and the record they provide of the earth's history, and at how minerals and gemstones are formed. An identification guide to all specimens is included.

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