Phosphorite

Ancient sea beds feeding modern farms

Phosphorite, a sedimentary rock specimen
Sedimentary

Phosphorite (or phosphate rock) is a sedimentary rock containing high concentrations of phosphate minerals, primarily apatite. It formed from the accumulation of marine organisms on ancient sea floors and is now the essential raw material for phosphate fertilizer production worldwide.

Composition

francolite (carbonate-fluorapatite), collophane, quartz, calcite, clay

Where Found

Morocco (world's largest reserves), Florida (USA), Nauru, Senegal, Jordan, China

Mohs Hardness

5

Fun Fact

Morocco controls about 70% of the world's phosphate rock reserves, making this North African country the Saudi Arabia of fertilizer production.

Test Your Knowledge

Why is Morocco's dominance of global phosphorite reserves considered a geopolitical concern?

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