Amethyst stone

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Name amethyst stone
Appearance violet gem
Base price 600 zm
Weight 1

The amethyst stone is a type of gem which is soft and always violet in appearance. Its base cost is 600 zorkmids.


Every version of Mines' End contains an amethyst.


Dipping an amethyst in a potion of booze will turn it into a potion of fruit juice. This is a good way to identify both the potions of booze and fruit juice as well as the amethyst, since no other gem transforms a potion by being dipped into it. Identifying fruit juice will also distinguish it from the potion of see invisible, which has the same messages.


In SLASH'EM and dNetHack, amethyst stones can be used in gem alchemy; dipping one into a potion of acid produces a magenta potion.


The amethyst is a real-life gemstone; the ancient Greeks believed that the stone protected its owner from drunkenness. Its name comes from the Greek ἀ a- (“not”) and μέθυστος methustos (“drunk”), which is why it transforms booze into fruit juice in NetHack.