Product Name: Granular Rock Phosphate (GRP)/(RPP) Agriculture Grade
Synonyms: Phosphate Rock; Phosphorite; Soft Rock Phosphate; Natural Rock Phosphate
Chemical Formula:
Ca10(PO4)6(F,OH)2
(General)
(Primary mineral is Fluorapatite or Hydroxyapatite)
CAS Number:
65996-94-3 (Phosphate Rock)
(Sometimes listed as 1306-05-4 for Fluorapatite mineral)
EC Number
266-029-8
Appearance:
Solid Granules (2mm – 5mm).
Color varies by origin: Light Grey, Beige, Brown, or Dark Grey/Black. Matte finish (non-shiny).
Odor:
Odorless or slight Earthy/Soil-like smell.
(May have a faint organic smell if molasses binders are used in granulation)