ihiileen
Ihiileen is a rare and unique mineral that was first discovered in the late 19th century in the Khibina Massif, located in the Kola Peninsula of Russia. It is named after the Ihiilen River, which flows through the area where the mineral was found. Ihiileen is a complex silicate mineral with the chemical formula Na2Ca2(Si8O20)(OH,F)2. It crystallizes in the monoclinic system and typically forms prismatic crystals or granular masses.
The mineral is characterized by its distinctive green to yellowish-green color, which is due to the presence
Ihiileen is of interest to mineralogists and collectors due to its rarity and unique physical properties. However,