Treasures Of The Earth: Gems
Tuesday, Nov. 15 at 7 p.m.
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, pressure, and heat. Explore the hidden secrets of gems, from their alluring beauty to their origins deep in the Earth.