Phosphate rock (or Phosphorite) basically refers to any form of rock that possesses a high phosphorous content. Often extracted by means of surface drilling, this rock is mined through a blasting and harvesting process. Its uses are quite varied. Frequently it is utilized to make calcium phosphate nutritional supplements, and more regularly it is put into fertilizers for agricultural use. Phosphate rock is measured by content of phosphate present in the particular sedimentary particle. Our phosphorite products come the following phosphate densities: 31%, 30%, 29%, 28%, 27%, 26%, 25%, 24%, 23%, and 22%