Chondrodite
Orange neosilicate Mg₅(SiO₄)₂F₂ of the humite group of minerals formed in metamorphosed limestones when fluoride-rich fluids interact with magnesium-rich dolomite. From the Greek word chondros, meaning "grain," due to its common granular habit. H=6-6.5.
Main Photo Credit: "Chondrodite" by NRCan, 2026. Used with permission.

