Many chandeliers use crystal stars or rosettes. Stars and rosettes frequently are used to cover a seam within the chandelier. Leaves add decorations. Stars and rosettes are common and mostly an inexpensive embellishment. Most of the stars and rosettes come in sizes ranging from 14 millimeter to 50 millimeter and are found mostly in clear. ChandelierParts.com has some colored pieces should your project call for them.