Bijuland is a wholesale bead and craft materials supplier based in Plovdiv, Bulgaria. The Mother of Pearl and Freshwater Pearl Beads category (мъниста от седеф и речна перла — manista ot sedef i rechna perla) covers stringing beads made from MOP shell nacre and genuine freshwater pearls — within the broader Natural Beads and Mother of Pearl section. Wholesale and retail purchase available, with shipping across Bulgaria and Europe.

Both mother of pearl (MOP / седеф — sedef) beads and freshwater pearl (речна перла — rechna perla) beads are genuine nacre materials from molluscs, and both share the characteristic iridescent lustre of natural nacre. The key difference is in how they are formed and what they are made from. Mother of pearl beads are cut and shaped from the thick inner nacre lining of mollusc shells — typically oyster, abalone, or trochus shells. The shell nacre is a solid, flat layer that is drilled, cut, and polished into bead shapes: round balls, flat discs, chips, and other forms. Because MOP is cut from a flat shell layer, the bead surface is entirely nacre — the same material throughout — and the available shapes and sizes are determined by the thickness and size of the shell from which they are cut. MOP beads have a consistent, even nacre surface with a bright, reflective iridescence. Freshwater pearl beads (речна перла) are organic formations — genuine pearls formed inside freshwater mussels, most commonly Chinese freshwater pearl mussels (Hyriopsis cumingii), when an irritant or implanted nucleus is coated with concentric layers of nacre by the mollusc. Freshwater pearls are solid nacre throughout their structure, giving them a richer, deeper lustre than MOP — but they are oval, baroque, or near-round rather than perfectly spherical, and they show natural variation in shape, size, and surface between individual pearls. The organic origin of freshwater pearls gives them a softer, more luminous quality than the brighter, more reflective surface of cut MOP beads.

Mother of pearl beads are used in jewellery where a consistent, uniform nacre surface is needed across a large number of beads — full pearl-look necklaces and bracelets where the even MOP surface provides a consistent iridescent tone across the full strand, coastal and ocean-themed jewellery where the shell origin is part of the aesthetic, and mixed-material designs where MOP beads are combined with other natural materials. Freshwater pearl beads are used as the premium natural pearl in formal, bridal, and occasion jewellery — pearl necklaces, bracelets, and earrings where the soft, organic lustre of genuine pearl is the defining quality of the piece. Their natural variation in shape (oval, baroque, near-round) gives freshwater pearl jewellery a more organic, handcrafted character than perfectly uniform round beads. For acrylic plastic imitation pearls as a lighter, more affordable alternative, see the Plastic Imitation Pearls section. Bijuland ships from Plovdiv, Bulgaria and supplies jewellery makers, craft studios, bridal suppliers, and bead resellers across Bulgaria and Europe.