Antimony essentials · 12 October 2026
Understanding the subject
USGS identifies stibnite, Sb2S3, as the predominant ore mineral of antimony. Its presence helps explain why mineralogical information belongs alongside a chemical assay when a feedstock is evaluated.
What it means in practice
An assay measures composition; mineralogical information describes the minerals in which elements occur. Two samples with similar Sb content may differ in their mineral associations, which is a reason to investigate the material rather than assume identical processing behaviour.
Bring it into your next discussion
A producer evaluating a new ore source should build a representative technical dataset. A trader presenting the material to a buyer should distinguish measured results from untested assumptions about recovery or suitability.
- Identify the material and sample source.
- Pair chemical assays with relevant mineralogical information.
- Avoid promising recovery from Sb grade alone.
Background source: Original publisher ↗
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