Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. Today, most people admire diamonds for two exceptional attributes: their hardness and their brilliance. Scholars knew of diamonds' unrivaled hardness since antiquity, but its unique optical properties went unrecognized until comparatively recently. The natural diamonds that were hoarded by potentates of old have little of the visual drama that we associate with today's faceted gems. Deeply colored rubies, emeralds, and sapphires were far more prized as adornments.
TOP TEN DIAMOND FRAUDS AND SCAMS
An Attitude of Gratitude, by Max Lucado
Word games are great because they help children focus on sounds and letters, and develop skills they need for reading, writing, and spelling. By playing word games with our kids, we give them the benefit of our company, as well as demonstrating to them that playing with words is lots of fun. There are also word games that have become board games and toys, but the ones you'll find below need minimal equipment. Guess the animal: Give children a rhyming word and have them guess the animal. I am a …" I spy: This is a simple word game most people know. Spot something nearby and tell kids the sound or letter it begins with. Children must look around and try to guess what it is you "spied.
Diamond Fluorescence: Good or Bad? [Buying Tips Included]
Subscriber Account active since. One of the most common questions that gemologists are asked is how to tell the difference between a real diamond and a fake stone. A fake stone would be perfect — absolutely perfect. Hirsch cautions that certain lab-grown stones will also look perfect through the loupe, and so you should be cautious before discarding perfect gems. It can be a clue, however, to take a closer look or bring the stone to an expert.
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