
Phyllite|thumb thumb|Photomicrograph of [[thin section of phyllite (in cross polarised light)]] thumb|Fractured Duke_University#Duke_stone | Duke stone showing phyllitic texture thumb|Phyllite
Phyllite|thumb thumb|Photomicrograph of [[thin section of phyllite (in cross polarised light)]] thumb|Fractured Duke_University#Duke_stone | Duke stone showing phyllitic texture thumb|Phyllite
Phyllite ( ) is a type of foliated metamorphic rock formed from slate that is further metamorphosed so that very fine grained white mica achieves a preferred orientation. It is primarily composed of quartz, sericite mica, and chlorite.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).