Phosphorite
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Phosphorite, phosphate rock or rock phosphate is a non-detrital sedimentary rock that contains high amounts of phosphate minerals. The phosphate content of phosphorite varies greatly, from 4% to 20% p
Peloidal phosphorite, Phosphoria Formation, Simplot Mine, Idaho. 4.6 cm wide.
Fossiliferous peloidal phosphorite, (4.7 cm across), Yunnan, China.
Shelly phosphorite from Estonia
Guano phosphorite mining in the Chincha Islands of Peru, c. 1860
Phosphorus
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Phosphorus is a chemical element; it has symbol P and atomic number 15. All elemental forms of phosphorus are highly reactive and are therefore never found in nature. Elemental phosphorus can be prepa
Phosphorite
…phosphate to become hydrophobic. This rock phosphate is then either solubilized to produce wet-process phosphoric acid, or smelted to produce elemental phosphorus. Phosphoric acid is reacted with phosphate rock to make the fertilizer triple superphosphate or with anhydrous ammonia to produce the ammonium phosphate…
Weißer Phosphor
Phosphor rot
Phosphor rot violett
Black Phosphorus Ampoule