Kings apparently would drink alcohol from amethyst chalices because the crystal allows them to drink as much as everyone else and still "keep their wits" : r/Crystals
Ranger Tim Holtz Alcohol Ink, Amethyst, 0.5oz : Amazon.co.uk: Home & Kitchen
Adirondack Transparent Ink with Alcohol by Tim Holtz 14ml Amethyst x1 - Perles & Co
I blacked out from drinking. ... I wasn't a good parent' | The Japan Times
Amethyst Alcohol - Ellensburg (Gin) - from Sort It Apps
Explore the Historic Significance and Mythology of Amethyst