you know it seems certain iron oxides stick more to the inside of those little plastic sample baggies. i know it happens to her eyeshadows, i thought an eyeshadow i ordered was more grey but from the baggie (since the black pigments stuck to the baggie), it looked black, but when i peeked inside, i see the true color. i think maybe it's worst for cory's foundations because it's mostly TiO2? my jar is well blended and i know my friend's FS jar was well blended also.
i am not sure what email of cory's you're using. simi has communicated with cory successfully, perhaps she can tell you which email to try.
i really hope it works out for you. my cory sampling was quite an adventure (took about 3-4 weeks for me to find the right color) but well worth it!
Kris