Bead, quartz crystal (natural), 14x12mm and 18x15mm hand-cut top-drilled faceted double cone, B grade, Mohs hardness 7. Sold per pkg of 3 beads. - Fire Mountain Gems and Beads
Hematite Beads 8x8 Double Cone (non-magnetic) - Super High Polished
Magnetic Bead 6mm Faceted Double Cone (M-706) [M-706] - $2.88 : MagneticBeads.net, The Invisible Force
50pcs Antique Silver Bicone Spacer Beads Tibetan Alloy Double-cone Shape Loose Spacer Beads with A Box for DIY Jewelry Making - AliExpress
Amazon.com: 20 Gold Plated Metal Double Cone Spacer nhKL Beads 5MM : Home & Kitchen
Amazon.com: New 100 Silver Plated Brass 5x7mm Smooth Double Cone Beads with 1.2mm Hole for DIY Crafts and Jewelry Making LU04175MAR : Arts, Crafts & Sewing
Bead, multi-gemstone (natural/dyed/manmade), mixed colors, 10x8mm double cone, Mohs hardness 3-7. Sold per 15-inch strand, approximately 40 beads. - Fire Mountain Gems and Beads
Amazon.com: New 100 Silver Plated Brass 5x7mm Smooth Double Cone Beads with 1.2mm Hole for DIY Crafts and Jewelry Making LU04175MAR : Arts, Crafts & Sewing