thumb|right|A sample of hyalite thumb|right|fluorescence|Fluorescent hyalite under an [[ultraviolet blacklight]]
thumb|right|A sample of hyalite thumb|right|fluorescence|Fluorescent hyalite under an [[ultraviolet blacklight]]
Hyalite is a transparent form of opal with a glassy lustre. It may exhibit an internal play of colors if natural inclusions are present. It is also called '''Muller's glass, water opal, and jalite'''. Müller's glass is named after its discoverer, Franz-Joseph Müller von Reichenstein.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).