Gemstone Beads - Puff Rectangles - 12x16mm

Explore 12x16mm puff rectangle semiprecious gemstone beads at Bead3 for jewelry designs that feature bold shapes, polished surfaces, and the natural beauty of stone. These distinctive beads have a rectangular outline with softly rounded, puffed edges, making them an eye-catching choice for chunky bracelets, statement necklaces, and other handmade jewelry.

Choose from gemstone varieties with unique colors and patterns, including rose quartz, red plum blossom jasper, black striped agate, fancy jasper, and more. The natural variations in each stone make every design distinctive. Pair these puff rectangle beads with round gemstones, Czech glass beads, crystals, or metal accents to create contrast and visual interest.

Each bead measures approximately 12mm wide, 16mm long, and 5mm thick. Full strands are approximately 16 inches long and typically contain around 24 beads. Selected varieties are also available in sample packs of six beads, making it easier to try a stone or add a few larger accents to a design. Check each product listing for the exact quantity and gemstone details.

Looking for other distinctive gemstone shapes? Browse our 13x18mm puff oval semiprecious gemstone beads for an oval profile, our 20mm puff coin gemstone beads for rounded coin shapes, or explore our complete semiprecious gemstone bead collection for more natural stone colors, shapes, and sizes.

Bead3 has been selling beads and jewelry-making supplies online for over 22 years. Discover gemstone beads for your next creative jewelry-making project.