Tenebrescence

（重定向自Tenebrescent）

Hackmanite before (top) and after (bottom) exposure to UV

Tenebrescence, also known as reversible photochromism, is the ability of minerals to change colour when exposed to sunlight. The effect can be repeated indefinitely, but is destroyed by heating.

Tenebrescent minerals include hackmanite sodalite, spodumene and tugtupite.

单词	Tenebrescent
释义	Tenebrescent 英语百科 Tenebrescence （重定向自Tenebrescent） Tenebrescence, also known as reversible photochromism, is the ability of minerals to change colour when exposed to sunlight. The effect can be repeated indefinitely, but is destroyed by heating. Tenebrescent minerals include hackmanite sodalite, spodumene and tugtupite.
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