这是什么？
Magnesia and its relatives, made from magnesite rock or extracted from seawater, which survive heat that would destroy almost any other cheap material.
为何重要？
Dead-burned magnesia lines the furnaces that make steel and cement. Without refractories there is no high-temperature industry at all.
该材料的深度文字内容尚未发布。以下所有内容均直接提取自原始数据集，内容完整。
生产主体
在地图上查看 →Mine production
Mine productionthousand metric tons 2025 (估计值) 全球合计 21,000 thousand metric tons
USGS Mineral Commodity Summaries 2026 · Reported as magnesium oxide (MgO) equivalent. · 来源 ↗
横向滚动表格以查看其余列。
| 国家/地区 | 产量 | 占全球份额 |
|---|---|---|
| China | 12,700 | 60.5% |
| Brazil | 1,800 | 8.6% |
| Russia | 1,700 | 8.1% |
| Turkey | 1,600 | 7.6% |
| Austria | 650.0 | 3.1% |
| Spain | 640.0 | 3.0% |
| Australia | 400.0 | 1.9% |
| Other countries | 340.0 | 1.6% |
| Slovakia | 330.0 | 1.6% |
| Canada | 230.0 | 1.1% |
| Iran | 200.0 | 1.0% |
| Greece | 130.0 | 0.6% |
| India | 85.00 | 0.4% |
| United States | Withheld | — |
| 全球合计 | 21,000 | 100% |
"未披露"表示美国地质调查局（USGS）为避免泄露单个企业数据而对该数字进行了保密处理——并不意味着数值为零。各国行数之和不一定等于世界合计，原因在于来源对每个数字单独进行四舍五入处理，且并不总是单独列出"其他国家/地区"一行。
储量持有方
Reserves
Reservesthousand metric tons 2025
USGS Mineral Commodity Summaries 2026 · 来源 ↗
| 国家/地区 | 储量 | 占全球份额 |
|---|---|---|
| Other countries | 2,500,000 | 32.1% |
| Russia | 2,300,000 | 29.5% |
| Slovakia | 1,200,000 | 15.4% |
| China | 700,000 | 9.0% |
| Greece | 280,000 | 3.6% |
| Australia | 280,000 | 3.6% |
| Brazil | 200,000 | 2.6% |
| Turkey | 110,000 | 1.4% |
| India | 66,000 | 0.8% |
| Austria | 49,000 | 0.6% |
| United States | 35,000 | 0.4% |
| Spain | 35,000 | 0.4% |
| Iran | 10,000 | 0.1% |
| Canada | Not applicable | — |
| 全球合计 | 7,800,000 | 100% |
出口管制
| 国家/地区 | 管控 | 适用于 |
|---|---|---|
| China | Export licensing requirement for materials and technologies | Antimony (2024), bismuth (2025), synthesized diamond (2025), gallium (2023), germanium (2023), graphite (2023), indium (2025), magnesium materials (2024), molybdenum (2025), rare earths (2025), silver (2026), tellurium (2025), tungsten (2025), and items related to lithium batteries and artificial graphite anode materials (2025). ↗ |
USGS Mineral Commodity Summaries 2026, table 4 — controls in effect as of January 2026, excluding controls since lifted.