Original source : http://news.nster.com
Posted :
Author : Agnes Kelly
Posted :
Author : Agnes Kelly
15 Hackmanite: Keep in the Dark
This mineral is a variety of Sodalite that possesses one interesting and unique quality, which is called "tenebrescence." When exposed to light, gemstone can become almost colorless, and when it stays in the dark for a long period of time, its color becomes saturated violet. Ideas of Mother Nature are so unpredictable!
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