CIBJO Guide to Classifying Pearls

CIBJO Guide to Classifying Pearls

Keywords: pearls, classification, akoya, cultured pearl, saltwater pearls, freshwater pearls, oriental pearls, imitation pearls, lustre, luster, molluscs, nacre, beads, Australian South Sea pearls, Philippine South Sea pearls, Asian South Sea pearls. Tahitian Black lipped pearls, mother-of-pearl, Fijian Pearl Oyster, Gulf (Basra) Ceylon pearl oyster, Atlantic pearl oyster, Akoya pearl oyster, Mexican black Lipped / La Paz pearl oyster, New World natural pearl, Pipi pearl oyster, Black-winged pearl oyster, Mabé, Mabe, Rainbow lipped pearl oyster, Cortez Pearl, New World black natural pearls,  abalone, conch, clam, shell clam, Melo, Lion’s Paw scallop, Natural scallop pearl, Pen shells, Chrysanthemum shells, spiny oyster,  thorny oyster, Natural Spondylus pearl, Triangleshell pearl mussel, Cockscomb pearl mussel, European pearl mussel, Freshwater bivalves, Pheasant Shell, Cumberland Mucket, three-ridge mussel, blue-point, purple-tip,