Pearl beads: Top-drilled freshwater pearls,also called Teardrop Pearl beads,freshwater Dancing pearls. These pearls are drilled through the end of the pearl instead of through the center.
Top drilled pearls are measured by two sizes or size ranges (e.g. 6-7x5mm). The first measurement given is the longer dimension of the pearl (the length of the "drop"); the second measurement given is the width of the pearl.