这是什么？
The rare earth that amplifies light inside a fibre-optic cable without ever turning it back into electricity.
为何重要？
Erbium-doped fibre amplifiers are why an undersea cable can carry a signal for thousands of kilometres. The modern internet is built on them.
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Reported as erbium oxide (Er2O3) equivalent.
Oxide, doped fibre, pink glass and glaze colourant.
其在岩石中的来源
所有含矿矿物 →实际承载以下内容的矿物： erbium. 只有其中某种物质的富集程度足以覆盖开采成本，矿床才能成为矿体。
Xenotime
A yttrium phosphate that also carries the heavy rare earths — dysprosium, terbium, erbium — that magnets need.
Ion-Adsorption Clay
Weathered granite where rare-earth ions cling loosely to clay surfaces. Grades are very low but the metal washes out…
价格
average, dollars per kilogram: Erbium oxide, 99.5%, minimum
年度平均值dollars per kilogram
基准: average, dollars per kilogram: Erbium oxide, 99.5%, minimum. 年度平均值，来源： USGS Mineral Commodity Summaries 2026 · 来源 ↗. 以下为参考年度均价，非实时市场报价。