Таджикистан – Энциклопедия на таджикском языке КИТОБАМ
FOSFORITHO, jinshoi kuhii tahshiniro guyaid, ki az fosfatuo (asosan apatit) boyand. Fosforitho 5—34% R2O5 dorad.
Fosforitho odatan dar shakli gurusha dar bayni jinshoi tahshini va dar shakli jismhoi qabat-qabat vomekhurand. Onhoro beshtar baroi istehsoli nurhoi fosfordor istifoda mebarand.