Salt, a staple seasoning found in every kitchen, is not just a basic necessity—it is a luxurious commodity in some parts of the world. Certain kinds, from rare sea salts to ancient mineral deposits, command astonishing prices. Discover the top 10 most expensive salts that redefine the concept of seasoning. World's Top 10 Costliest Salts . Korean Purple Bamboo Salt (Amethyst Bamboo 9x) Bamboo Salt, also known as Amethyst Bamboo 9x or Jukyeom, is the world's most expensive salt. Found in Korea, this salt is priced at $17 per ounce.  This rare salt undergoes a meticulous process where sea salt is packed into 3-year-old bamboo stalks, sealed with clay, and roasted over a pinewood fire up to nine times.  This labour-intensive method infuses the salt with minerals and detoxifies it, giving it a unique dark purplish-black colour. Historically used by Korean Buddhist monks for its medicinal properties, Bamboo Salt is valued for its anti-inflammatory, antioxidant, and immune-boosting benefits, making it highly sought after. Read more: 12 types of salt used in cooking, baking and seasoning Hana Flake Japanese Sea Salt Hana Flake Salt is a delicate and exquisite finishing salt, priced at $16 per ounce. Originating from Japan, this salt is renowned for its pure white, semi-translucent flakes that resemble flattened pyramids. The salt sparkles like delicate snowflakes, making it an elegant garnish for various dishes and cocktails.