lechatelierite

Found in Anh - Anh (Wordnet)

Definition Noun 1. A naturally occurring, colorless, vitreous mineral composed almost entirely of silica (silicon dioxide, SiO₂) : It is a type of mineraloid, meaning it lacks a crystalline structure, and is formed by the rapid melting and cooling of silica-rich materials, such as sand or rock, by extreme heat (e.g., from a lightning strike or meteorite impact). It is essentially a natural glas...