Onyx
Onyx gemstone beads are known for their smooth appearance, rich color, and polished elegance, making them a timeless choice for jewelry design. Onyx is a variety of chalcedony, a microcrystalline form of quartz, and is especially recognized for its classic black appearance, although natural onyx can occur in layered and banded color variations. Some onyx used in jewelry may also be treated or dyed to achieve a deeper, more uniform color.
With a Mohs hardness of approximately 6.5 to 7, onyx offers good durability for bracelets, necklaces, earrings, and statement designs while still benefiting from thoughtful care. Its sleek surface and deep tones pair beautifully with gold, silver, brass, crystals, wood, and contrasting gemstones. In crystal and gemstone traditions, onyx is often associated with strength, grounding, protection, and self-confidence.
4mm Triple-Faceted Black Agate Gemstone Beads – 15 Inch Strand
Alter Ego Beading SuppliesThese 4mm triple-faceted black agate gemstone beads feature multiple precision-cut facets that create extra dimension and light reflection across e...
View full detailsBlack Onyx Round Gemstone Beads – Smooth Polished – 4mm, 6mm, 8mm, 10mm, 12mm – 15 Inch Strands
Alter Ego Beading SuppliesSleek. Bold. Timeless. These smooth Black Onyx round gemstone beads are a staple for every jewelry designer’s collection. Featuring a deep, jet-bla...
View full details10mm Matte Striped Onyx Gemstone Beads – Natural Black Onyx Round Beads – 15” Strand
Alter Ego Beading SuppliesAdd bold contrast and modern texture to your jewelry designs with these 10mm Matte Striped Onyx Gemstone Beads. Each round bead features a unique m...
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