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minerals | nature | guess from a photo

This mineral has an interesting feature: its green color becomes brighter and richer at dusk or by candlelight. For this trait, it was formerly called the

This mineral has an interesting feature: its green color becomes brighter and richer at dusk or by candlelight. For this trait, it was formerly called the "evening emerald.

chrysolite

Question of quiz:
Quiz: Can You Guess a Mineral from a Picture?

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