Cabochons are not faceted, but they are made of the same beautiful crystal material as the faceted crystal rhinestones. They have flat backs, not point backs. The size 8x6mm Article 2190/4 Oval Crystal Cabochon is used in the Flamenco Clasp:

Each clasps requires 2 stones.

These stones are available individually or at a discounted price for a pack of 10. Buy just what you need for a project, or buy an assortment to have on hand. The choice is yours at Mimi's Gems!