Our 18x25mm Puff Oval Semiprecious Gemstone Beads are very high quality Gemstone Beads. 18x25mm Puff Oval Gemstone Beads are polished to a smooth finish and are approximately 18mm wide, 25mm long, and 7mm thick. Each 18x25mm Semiprecious Gemstone Puff Oval Bead has its own unique combination of pattern and color. A Full Strand Pack is available for this item but this is just the sample pack of 2 beads. 18x25mm Semiprecious Gemstone Puff Oval Beads are great for chunky bracelets or necklaces. This package contains 2 Yellow Matrix Jasper 18x25mm Puff Oval Semiprecious Gemstone Beads. Yellow Matrix Jasper is also called Yellow Turquoise. It does look like turquoise because of the matrix or veining but it is not actually turquoise.