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Gemstone Cabochons >> Black Onyx

All our gemstone cabochons have a flatback and do not have holes for stringing.

They are all sold individually unless otherwise stated.

In the majority of the photos, we have pictured a number of stones in order to show the natural variations that occur within a batch.

Sub-categories: Amazonite | Amber | Amber (Green) | Amethyst | Aquamarine | Aquamarine | Aragonite | Aventurine | Azurite | Banded Agate | Black Onyx | Black Star Diopside | Bloodstone | Blue Lace Agate | Blue Onyx | Blue Quartz | Brecciated Jasper | Bright Dyed Stone | Carnelian | Chalcedony | Charoite | Chrysanthemum Stone | Chrysocolla | Citrine | Clear Quartz | Dalmation Stone | Dyed Howlite | Fluorite | Garnet | Goldstone (Blue) | Goldstone (Brown) | Green Marble | Green Onyx | Haematite | Hemimorphite | Iolite | Jade | Jasper (Picture) | Jasper (Red) | Kyanite | Labradorite | Lapis Lazuli | Lemon Chrysophrase | Leopard Skin Agate | Leopard Stone | Lepidolite | Malachite | Mixed Batches | Moonstone | Moss Agate | Opal | Peridot | Pink Tourmaline | Prehnite | Rainbow Moonstone | Rhodochrosite | Rhodonite | Rhyolite | Rose Quartz | Ruby in Zoisite | Russian Serpentine | Rutilated Quartz | Snakeskin Jasper | Snowflake Obsidian | Sodalite | Spherulitic Rhyolite | Sunset Jasper | Sunstone | Tiger Jasper | Tigers Eye | Topaz | Tourmalinated Quartz | Turquoise | Unakite | White Howlite | White Marble | White Marble (Dyed) |

Sub-sub-categories: Other | Oval | Round | Square |


	Black Onyx 6mm Cabochon Black onyx 6mm cabochon... £0.28

Gemstone Cabochons >> Black Onyx


	Black Onyx 8mm Cabochon Black onyx 8mm cabochon.... £0.35

Gemstone Cabochons >> Black Onyx


	Black Onyx 10mm Cabochon Black onyx 10mm cabochon gemstone ... £0.45

Gemstone Cabochons >> Black Onyx


	Black Onyx Cabochon - Oval 8 x 6 mm Black Onyx cabochon, oval 8 x 6 mm... £0.30

Gemstone Cabochons >> Black Onyx


	Black Onyx Cabochon - Oval 25 x 18 mm Black Onyx cabochon, oval 25 x 18 mm ... £1.60

Gemstone Cabochons >> Black Onyx


	Black Onyx Cabochon - Oval 14 x 10 mm Black Onyx cabochon, oval 14 x 10 mm... £0.55

Gemstone Cabochons >> Black Onyx


	Black Onyx Cabochon - Oval 10 x 8 mm Black Onyx cabochon, oval 10 x 8 mm... £0.35

Gemstone Cabochons >> Black Onyx


	Black Onyx 4mm Cabochon Black onyx 4mm cabochon... £0.20

Gemstone Cabochons >> Black Onyx


	Black Onyx Cabochon - Oval 18 x 13 mm Black onyx cabochon, oval 18x13mm ... £1.00

Gemstone Cabochons >> Black Onyx


	Black Onyx Square Cabochon - 7mm These dyed black onyx square cabochons measure approximately 7mm in size. They may show some of the original banding pattern These cabochons are cushion ... £1.00

Gemstone Cabochons >> Black Onyx


	Black Onyx 15mm Cabochon Black onyx 15mm cabochon... £1.70

Gemstone Cabochons >> Black Onyx


	Black Onyx Cabochon - Oval 12 x 10 mm Black Onyx cabochon, oval 12 x 10 mm... £0.50

Gemstone Cabochons >> Black Onyx


	Black Onyx Cabochon - Marquise 8 x 4 mm Black Onyx marquise cabochon, size 8 x 4 mm... £0.95

Gemstone Cabochons >> Black Onyx


	Black Onyx Cabochon - Pear 8 x 5 mm Black Onyx pear shaped cabochon, size 8 x 5 mm... £0.95

Gemstone Cabochons >> Black Onyx


	Black Onyx Cabochon - Oval 16 x 12 mm Black Onyx cabochon, oval 16 x 12 mm... £0.90

Gemstone Cabochons >> Black Onyx


	Black Onyx 12mm Cabochon Black onyx 12mm cabochon... £1.05

Gemstone Cabochons >> Black Onyx