Black Tourmaline 10mm Round Beads - Grade A

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Black tourmaline is technically called schorl. It is a naturally black gemstone with a Mohs hardness rating of 7 to 7.5. These beads have an excellent polish, but you'll find small scratches and pits that are common to black tourmaline.

  • Bead Size: 10.2mm to 10.65mm
  • Strand Length: 15"
  • Treatments: Waxed.

    Category: 10mm, Black

    Type: Round

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