My jar of edible rocks! (blue halite AKA blue salt). find them in abandoned mine in Semnan province/Iran. (These are less saturated ones that I use for cooking !) : r/rockhounds
Salt Earth Sciences Museum
Halite - an overview ScienceDirect Topics
Halite, Sodium Chloride, Rock Salt - DesertUSA
Blue Salt Mine, Semnan, Iran - Ario Salt
What is Iranian Blue Salt?, Iranian Blue Salt, also known as Persian Blue Salt, is a fossil salt or rock salt, with crystals that formed 100 million
Blue salt with grater
Blue Halite – Moon Mountain Gems
are the dead sea salt rocks edible? : r/NoStupidQuestions
File:Blue halite (Prairie Evaporite Formation, Middle Devonian; Potash Saskatchewan-Lanigan Mine, Saskatchewan, Canada) 3.jpg - Wikipedia