Water moving through rock can carry dissolved silica into cracks and cavities. Silica accumulates there and forms extremely small crystals. Packed closely together, those crystals make chalcedony, a material whose grains are too fine to distinguish by eye.
01 · The necklace
Men's Black Onyx Bead Necklace 8mm
$300.00
Free worldwide shipping on orders US$300+
A bold line of black: polished 8mm onyx beads sit with weight below the collar, to wear alone or with a Keystone.
United States: 6–11 business days in totalIf you order today
30-day returnsUnworn, in its box
2-year warrantyMaterial and making
Duties & taxes paidNothing due on arrival
Made to order · Duties and taxes prepaid where we ship
Lot 2026.08 · BE-ONN-8-1029
In the box
Ready to wear. Ready to give.
Everything that arrives with your piece.
- 01Your pieceSelected, strung and checked by hand
- 02Stone Origin RecordIts lot number matches your piece
- 03BE. series cardThe stone and its series, in brief
- 04BE. boxSealed and ready to hand over
No prices inside the box, so it can go straight to someone else.
Stone storyBlack Onyx
Stone Origin RecordLot 2026.08 · BE-ONN-8-1029
What this is
- Stone
- Black Onyx
- Bead
- 8mm
- Origin
- Mexico
- Treatment
- Untreated. No heating, dyeing, coating or artificial irradiation.
- Lot
- 2026.08 · BE-ONN-8-1029
- Construction
- Stainless steel wire core, magnetic clasp
BE. Crystal 4T™ Assessment
HeritageTop 2%
SignatureTop 10%
StudioTop 20%
- Transparency
- Exceptional
- Optical character of opaque chalcedony
- Tone
- Exceptional
- Black colour continuity
- Texture
- Strong
- Surface integrity
- Treasure
- Strong
- Studio assessment of this lot
How BE. Crystal 4T™ is assessed →
Journey
- 12.06.2026 · MexicoStone Source
Selected natural Black Onyx lot received with source documentation.
- 11.07.2026 · In-studio / Methodology publishedBE. Studio / BE. Crystal 4T™ Assessment
Weighed, photographed, and scored across Transparency / Tone / Texture / Treasure. Piece tier assigned: Signature. Lot 2026.08 record issued.
- 15.08.2026 · Production queueStudio Receipt
Lot released to production. Each bead re-inspected against the grading record before stringing.
- on order · Hand-cut / hand-strungCrafting
Begins once your order is confirmed. Handmade in 1 to 4 business days.
- +5 to 8 business days · Tracked worldwideDispatch & Delivery
Final inspection. Shipped with a Stone Origin Record.
Delivery, returns, careBefore you order
Made to order
Each necklace is made after you order: selection, stringing and a final check take 1 to 4 business days. Orders ship Monday to Friday.
Delivery
Ship to
6–11 business days in total, including 1–4 business days of making.
Other destinations: 6–12 business days in total. Duties and import taxes are prepaid by BE. and shown at checkout. All regions and times →
Returns and warranty
Request a return within 30 days of delivery; the necklace must be unworn, undamaged and in its original packaging. Return shipping costs are the responsibility of the customer. Material and workmanship defects are covered for 2 years. Write to hello@thebeworld.com with your order number.
Using the magnetic clasp
Press at the groove from above and below to open. Align the two halves and let them click shut. Do not pull the necklace to open.
Caring for onyx →Customer reviews
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