Strawberry molecule pendant or earring.
Furaneol, or strawberry furanone, is a natural organic compound
used in the flavor and perfume industry because of its sweet strawberry aroma. It is actually found in strawberries and a variety of other fruits and it is partly responsible for the smell of fresh pineapple. It is also important for odour of buckwheat, and tomato. (from Wikipedia; no chain included)
Can be used as a pendant on a necklace, keychain, earring, or whatever you find it useful for.