Name given to three minerals of exagonal crystals. It means etymologically that it confuses us, that it makes us wrong. In essence they are calcium phosphates with fluoride, calcium or hydroxyl radicals. It is essential in the manufacture of mineral fertilizers as a contributor of phosphorus and phosphates. To differentiate them can be called fluorapatita (present in tooth enamel), chloroapatita and hydroxyapatite (present in the bones).
