Gems, Crystals, and Precious Rocks
AvStephanie Hoffman,Steven M. Hoffman
E-bok
PDF, Engelska, 2011367 kr
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Beskrivning
People have long been captivated by the beauty of gems, from diamonds and sapphires to rubies and emeralds. Kids will be interested to know how these precious rocks form. Through this helpful book, young gem lovers will understand the crystal structure that many gems have and how beautiful rocks form in nature.
