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Two large regions of Fe,Mg,Mn-bearing phosphates, together with metal and various silicate phases, have been observed in the GRA 95209 meteorite (a primitive achondrite belonging to the acapulcoite(R...
Abstract: This paper describes in detail phosphate minerals occurring in refractory clays of Missouri and their effect on the refractory degree of the clays. The minerals identified include carbonate-...
Two structurally related magnesium phosphates, phosphoellenbergerite (P63mc) and holtedahlite (P63), have been investigated using a combination ofhigh-frequency IR and lH MAS,31p MAS,and 31p CPMASNMR ...

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