Enhance your jewelry collection with these 10 exquisite pieces of black onyx bullet cabochon gemstones. Each gemstone boasts an excellent cut grade and a polished gemstone form that exudes elegance and style. These natural, dyed onyx gemstones from India are perfect for those who love vintage and opaque gemstones. Certification is available upon customer request. These gemstones are loupe clean with an adventurine effect, and they come in varying sizes ranging from 3mm to 10mm. They can be used to create one-of-a-kind pieces of jewelry or added to your personal collection.