Actually it is, it has a star on the bottom right of the card. There is a card that is basically identical to this one that is not rare maybe thats the one you are referring to.
Here's the exact specs from a reputable website: Just in case you want to see. I know what I am listing for the most part and appreciate you trying to let me know, but maybe you should check out the info on the card before assuming that I am listing and saying things in my listings that are not true.
Florges - 66/106 - Holo Rare XY Flashfire Rarity: Holo Rare Description: Pokemon XY Flashfire Single Card Dimensions: 3.5" H x 2.5" W x 0.012" D