page_title: Complex oxide
section_title: Gemstone jewelry
hierarchical_section_title: Complex oxide / Applications / Gemstone jewelry
caption_attribution_description: English: Gold, set with table-cut emeralds, and hung with an emerald drop from Colombia, currently exhibited at Victoria and Albert Museum한국어: 영국 잉글랜드 런던 앨버트 앤 빅토리아 박물관에 전시된 콜롬비아의 에메랄드 세공 펜던트
context_page_description: A complex oxide is a chemical compound that contains oxygen and at least two other elements. Complex oxide materials are notable for their wide range of magnetic and electronic properties, such as ferromagnetism, ferroelectricity, and high-temperature superconductivity. These properties often come from their strongly correlated electrons in d or f orbitals.
context_section_description: Many precious gemstones, such as emerald and topaz, are complex oxide crystals. Historically, some complex oxide materials (such as strontium titanate, yttrium aluminium garnet, and gadolinium gallium garnet) were also synthesized as inexpensive diamond simulants, though after 1976 they were mostly eclipsed by cubic zirconia.
caption: Spanish-made emerald and gold pendant exhibited at Victoria and Albert Museum.[6]
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