{HEAD ~ The material} has {TAIL ~ a monoclinic crystal structure} and the following general formula:where:0.05<=L<=1.030.05<=C<=0.200.11<=A<=0.200.01<=M=0.60 
has
{ HEAD ~ The material } has { TAIL ~ a monoclinic crystal structure } and the following general formula : where:0.05<=L<=1.030.05<=C<=0.200.11<=A<=0.200.01<=M=0.60
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH