A. Apatite (calcium triphosphate): This mineral makes up the bones and teeth of vertebrates and the shells of inarticulate brachiopods. Calcium phosphate looks chalky when new, but can darken to black ...

apatite, iron ore, and manganese. Negotiations had centered on two major sticking points between Washington and Kyiv, including security guarantees for Ukraine and whether the mineral rights would ...

apatite, iron ore and manganese. Negotiations had centered on two major sticking points between Washington and Kyiv, including security guarantees for Ukraine and whether the mineral rights would ...