Items related to Crystal & Gem (Eyewitness)

Crystal & Gem (Eyewitness)

Symes, R. F.; Harding, R. R.

 
9780756606633: Crystal & Gem (Eyewitness)

Synopsis

Describes how crystals form in nature, how crystals are grown artificially, and how crystals are used in industry. Numerous color photos with text identify the various gemstones.

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