A molecular sieve composition comprising at least one intergrown phase of {HEAD ~ an AFX framework type molecular sieve} inserted along {TAIL ~ the hexagonal axis} into at least one intergrown phase of a CHA framework type molecular sieve, said molecular sieve composition synthesized by the method comprising the steps: 
inserted along
A molecular sieve composition comprising at least one intergrown phase of { HEAD ~ an AFX framework type molecular sieve } inserted along { TAIL ~ the hexagonal axis } into at least one intergrown phase of a CHA framework type molecular sieve , said molecular sieve composition synthesized by the method comprising the steps :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH