Item #: GBF-RN60-ONY

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Nicely made 6mm Rondelles in Black Onyx, all have machine cut faceting and are rather uniform in shape and width (about 4mm). Picture is enlarged a bit to show bead detail.

Item #: GBF-R40-ONY

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Beautifully made 4mm Black Onyx Rounds, all with machine cut faceting - lots of sparkle! Strung on a 15.5" Strand.

Item #: GBD-SF-ONY-01

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This Black Onyx is cut into fully faceted, flat teardrops. A sparkly look that color coordinates with so many other colors! Sold by carat, sizes are given for reference; size ranges overlap because some drops are thinner/thicker than others.

Category	Weight (Carats)	Average Dimensions
Small	1.8 to 2.4	9-11mm high, 7.5-9mm wide
Medium	2.5 to 3.3	9.5-11.5mm high, 7.5-9mm wide
Large	3.4 to 4.9	11-15mm high, 8-9mm wide

Item #: GBS-R20-ONY

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Nice uniform beads, machine cut, 16" Strand.

Item #: GBS-R30-ONY

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Uniform, machine cut beads, 16" Strand.

Item #: GBS-R40-ONY

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A black, glossy, smooth stone that actually is a black form of chalcedony. It is not commonly known, but this stone is almost always dyed. While the dye is very colorfast, it is necessary because undyed black onyx tends to be a partially translucent grey stone.

4mm Black Onyx Gemstone Round beads are sold on 16" (40cm) strands.

Item #: GBS-R60-ONY

Availability:

A black, glossy, smooth stone that actually is a black form of chalcedony. It is not commonly known, but this stone is almost always dyed. While the dye is very colorfast, it is necessary because undyed black onyx tends to be a partially translucent grey stone.

6mm Black Onyx Gemstone Round beads are sold on 16" (40cm) strands.

Item #: GBS-R80-ONY

Availability:

A black, glossy, smooth stone that actually is a black form of chalcedony. It is not commonly known, but this stone is almost always dyed. While the dye is very colorfast, it is necessary because undyed black onyx tends to be a partially translucent grey stone.

8mm Black Onyx Gemstone Round beads are sold on 16" (40cm) strands.

Item #: GBS-R100-ONY

Availability:

A black, glossy, smooth stone that actually is a black form of chalcedony. It is not commonly known, but this stone is almost always dyed. While the dye is very colorfast, it is necessary because undyed black onyx tends to be a partially translucent grey stone.

10mm Black Onyx Gemstone Round beads are sold on 16" (40cm) strands.

Item #: GBS-RN5-ONY

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Chinese cut, 4.5mm Diameter, 2.5mm wide. Sold on 15-16" strands.

Item #: GBS-C4-ONY

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4x4mm Cube, Black Onyx, 1 Strand

Item #: GBS-TB413-ONY

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4x13mm Gemstone Tube Beads, Black Onyx, 15-15.5" Strand.

Item #: GBM-ONY

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Black Onyx 13 piece gemstone mini-fan set.

Item #: JP-RDS55X

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This 20mm Black Onyx Donut Bead is representative of our inventory.

Our Donut Beads are well formed and finished. If you prefer a different size, shape, color, or gemstone, you will find dozens of alternatives in our Gemstone Donuts Category Page.

Item #: JP-RDM55

Availability:

This 30mm Black Onyx Donut Bead is representative of our inventory.

Our Donut Beads are well formed and finished. If you prefer a different size, shape, color, or gemstone, you will find dozens of alternatives in our Gemstone Donuts Category Page.