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These 3mm calibrated round Blue Onyx Agate gemstone beads are a precise measured round bead, the strand length is approximately 39-40cm and will contain around 126-133 beads, this can sometimes be more or less, occasionally the bead size may vary, we will note the measured size in the product title in brackets if this is the case. These beads are sold by the length, loose strung (temporary strung) ready to be incorporated into your jewellery designs. The standard drill hole is around 0.8mm. Blue Agate is characterised by its strong blue, more information can be found out about Agate on our Gemstone Reference sheet.
