Linsoir Beads Natural Stone White Volcano Lava Rock Round Loose Spacer Beads 40cm Strand For DIY Jewelry Making Approx 10mm (8MM, Black Lava Stone Beads) Material: lava stone Size: 10mm. NO clasp,can't wear directly Quantity: 40cm/strand,about 38 pcs Gorgeous lava rock stone beads for jewelry making,AAA top quality NOTICE: They are natural stone beads,size and color may be a little different