WHAT'S INSIDE: GEOLOGY

Geology is the study of the composition and physical properties of rocks, minerals, gems and other related earth materials, including diamonds and crystals. Scientists gain an understanding of the Earth's history by studying its composition.
  • Geologic Processes
  • Geologic Time Scale
  • Minerals
  • Paleontology
FEATURED: GEOLOGY

Jade, a gemstone cut from either of two minerals-jadeite or nephrite. Jade is extremely hard.

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