What is ore in the context of jewellery metals?
By Jared James · Last updated 21 May 2026
Definition
Ore is naturally occurring rock or mineral material that contains metal in high enough concentrations to make extraction worthwhile. Gold, silver, platinum and copper, the metals at the heart of fine jewellery, all start as ore deep in the earth. The ore is mined, crushed and refined through smelting and chemical processes to separate the pure metal. How much ore must be moved to recover just one gram of gold is striking; it can take several tonnes of rock to yield that single gram.
Frequently asked questions
- What does gold ore look like?
- Gold ore can look quite unremarkable, often a dull grey or brownish rock with perhaps a faint glint of gold visible in quartz or pyrite. High-grade ore showing visible gold is relatively rare.
- How is metal extracted from ore?
- The process varies by metal but typically involves crushing the ore, then using heat, chemicals or electrolytic processes to separate the metal from the surrounding rock. For gold, cyanide leaching and smelting are common steps.
- Why does ore matter for fine jewellery?
- The source and processing of ore directly affects a metal's environmental and ethical footprint. Certified responsibly sourced gold, for example, traces the metal back to mines with fair labour and environmental standards.
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