Thanks for the information everyone
Since I sent the quilt out to be quilted I don't know what type of batting was used on this quilt - there was no receipt for her work when I paid. I didn't think to ask her at the time.
The quilt that did not get the "crinkly" look had Dream Cotton batting - I know that because I did receive a receipt with this one.
Of the two, the quilt that got "crinkly" was quilted a little more dense than the other.
Always learning something!