NOVA. gems / Season 43, Episode 18, Treasures of the earth :
Their beauty has captivated us for millennia. Their cost can be extraordinary - some are even considered priceless. Precious gems like diamonds, rubies, emeralds, opal, and jade are the ultimate treasures of the earth, and each one is made from a specific - and often torturous - recipe of chemistry,...
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Full text (MCPHS users only) |
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| Other Authors: | , |
| Format: | Electronic Video |
| Language: | English |
| Published: |
Arlington, VA :
Public Broadcasting Service (PBS),
2016
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| Series: | Academic Video Online
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| Subjects: |
