The best replacement for crystal is glass.

The best alternatives to crystal are rated as following:
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★★  oscillator
★★  diamond
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★  krystal
★  indigo
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Your alternative for crystal is not listed? Suggest!
Speaking about crystal, one probably shouldn't forget about mistletoe.

Other search terms related to crystal and their ratings are:
★★★★★ mistletoe
You have in mind a companion for crystal and it is not yet here? Propose!



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