What is another word for Phosphorite?
Pronunciation: [fˈɒsfɔːɹˌa͡ɪt] (IPA) 
Phosphorite is a naturally occurring sedimentary rock that contains high concentrations of phosphate minerals. It is an important source of phosphorus, which is used in fertilizer production. There are several synonyms for phosphorite, including phosphate rock, apatite rock, phosphatic limestone, phosphorous rocks, and rock phosphate. These terms are often used interchangeably in reference to the same type of mineral deposit. Despite their similar chemical composition, the physical properties of phosphorite can vary widely depending on the specific type and location. Some deposits are highly crystalline, while others are much softer and contain more matrix material.
