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Close-up of blue marbles with a dark background

Dumortierite · Microfaceted · Round · 3.5mm

$4.95
SKU 4RdDum3.5MF009

275 in stock

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Strand Length: approx. 15 inches.

100% natural dumortierite beads.

Dumortierite is a deep denim-blue gemstone known for its rich color and subtle shimmer. Often used to promote focus and clarity, it adds a bold, grounding presence to jewelry designs and pairs beautifully with silver or contrasting neutrals.

View the Dumortierite Beads Full Collection.

Bead Count

Count of beads on a strand:

  • 2mm = 170 Beads
  • 3mm = 115 Beads
  • 4mm = 85 Beads
Note: These are general guidelines. The actually count may be greater or slightly less than stated.
Hole Size

Bead hole size ranges:

  • 2mm = 0.3mm to 0.5mm
  • 3mm = 0.3mm to 0.5mm
  • 4mm = 0.5mm to 0.8mm
Note: These are general guidelines. The actually hole size may be slightly larger or smaller than stated.
Recommendations

For beads 4mm and smaller, it is recommended to start with stringing wires no larger than .013inch / .33mm. This will ensure a proper fit and in most cases allow for feeding of the wire tip back through the beads for a clean finish.

Elastic cords can be used with beads 4mm and larger, but it will not fit through most beads smaller than 4mm. It's recommended to use 0.5mm elastic cord.

These recommendations are intended to help guide you for a successful project. With time and experience you'll discover what works best for your designs.