Research Article
Hydrochloric Acid Leaching Study of Rare Earth Elements from Moroccan Phosphate
Table 1
Mineralogical composition of the phosphate.
| Mineralogical characteristics | Percentages (%wt) |
| Apatite, Ca10(PO4)6F2 | 90 | Calcite, CaCO3 | 2.7 | Dolomite, CaMgCO3 | 1.7 | Quartz, SiO2 | 1.4 | Organic matter | 2.8 | Amorphous silica | 0.2 | Pyrite | 0.3 |
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