Gemstone Coloration: How Different Gemstones Get Their Colors

The video explains how gemstones get their colors, focusing on the role of light and chemical composition. It distinguishes between idiochromatic gemstones, which derive color from essential elements, and allochromatic gemstones, colored by impurities. The video also discusses how transition metal ions can alter gemstone colors by affecting energy levels and light absorption.

What is the role of light in the perception of gemstone colors?

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What happens to the color of a gemstone if all wavelengths of visible light are absorbed?

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Explain the difference between idiom chromatic and all achromatic gemstones.

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Describe how the chemical composition of a gemstone influences its color.

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How do impurities affect the color of gemstones like rubies and sapphires?

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How does the presence of chromium ions change the color of rubies?

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What is the significance of trace elements in the coloration of gemstones?

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