THE SAMPLE X
The rarest metal on Earth, sealed for the few.
A museum-grade niobium specimen — mined, refined and vaulted.
ACT I · THE ORIGIN
PULLED FROM THE DEEP.
Two billion years in the making. Raw niobium ore, drawn from one of the rarest mineral systems on Earth.
Unrefined. Untouched. Unprecedented.
ACT II · THE REFINEMENT
PURIFIED TO PERFECTION.
Crushed, separated and assayed, then sealed in a precision vessel. Nb 55% · Ta 4.5% · 1kg net.
Laboratory-grade. Certified. Absolute.
ACT III · THE ARTIFACT
RESERVED FOR THE FEW.
Each specimen is cradled in a hand-finished vault with its certificate of authenticity and global provenance map.
The Sample X — US$997.
WHAT'S INSIDE THE VAULT
- 1kg premium niobium specimen — Nb 55% · Ta 4.5%
- Hand-finished collector's vault
- Numbered certificate of authenticity
- Global supply-chain provenance map
- Insured worldwide shipping & tracking
ACQUIRE
CLAIM YOUR SPECIMEN.
One vault. Shipped worldwide — insured and fully tracked.
A specialist will confirm availability, payment and worldwide shipping with you directly.
Direct line to the XMINE acquisition desk · Replies within one business hour.
Questions, answered.
Is this a genuine niobium specimen?+
Yes. Every Sample X contains a certified 1kg specimen assayed at Nb 55% / Ta 4.5%, with a numbered certificate of authenticity.
Where do you ship?+
Worldwide. Every order ships fully insured and tracked, with all customs documentation included.
How long until it arrives?+
Vaults are dispatched within 3 business days. Delivery typically takes 5–9 business days depending on destination.
Can I resell or transfer it?+
Absolutely. The numbered certificate makes provenance transfer simple and verifiable.
Which payment methods are accepted?+
All major cards via Stripe's encrypted checkout. Your card details never touch our servers.
Speak with the desk.
Bulk, bespoke or institutional enquiries — our team replies within one business day.