Kola ashcroftine: a rare mineral with a unique structure
In the Kirov mine of the Khibiny massif, researchers from the Kola Scientific Center of the Russian Academy of Sciences, St. Petersburg State University, and the Fersman Mineralogical Museum have conducted a detailed study of a sample of a rare mineral — Kola ashcroftine. What is known about the find The mineral forms the finest needle-like crystals up to 0.2 mm in length and belongs to the group of the most structurally complex minerals known to science. Its distinctive feature is hollow silicate tubes approximately two nanometers in diameter. Its composition includes rare earth elements: yttrium, calcium, manganese, fluorine, potassium, sodium, silicon — an entire periodic table in a single […]