{"schemaVersion":1,"metric":{"id":"usgs-feldspar-and-nepheline-syenite-production-7a9af8d3","title":"Feldspar And Nepheline Syenite · Mine production: includes pegmatites","unit":"thousand metric tons","definition":"Feldspar And Nepheline Syenite · Mine production: includes pegmatites in original thousand metric tons units. The publisher's product and statistical category remain distinct from other measures. Values preserve the retained normalized observation and flag; no unit conversion is applied.","source":{"url":"https://www.usgs.gov/centers/national-minerals-information-center/mineral-commodity-summaries","sha256":"77b3942ca9560cd4707d5ed5cf4e9f0e62ee88c9982e4f820f02d0868aabddd8","retrievedAt":"2026-10-04T16:58:17.562Z","retrievalBasis":"library-capture"},"attribution":"USGS Mineral Commodity Summaries. U.S. Geological Survey, 2026, Mineral Commodity Summaries 2026: U.S. Geological Survey. Data release https://doi.org/10.5066/P13XCP3R Native selection from the retained Commodity Origins normalization, formatted by World Signals Monitor. Redistribution authorized by the project owner; original publisher metadata is preserved. No publisher endorsement is implied.","json":"/global-data/usgs-feldspar-and-nepheline-syenite-production-7a9af8d3.json","csv":"/global-data/usgs-feldspar-and-nepheline-syenite-production-7a9af8d3.csv","rows":2,"present":2,"countries":1},"rows":[{"country":"ESP","name":"Spain","year":"2024","value":"620.0","status":"Prior-year preliminary observation","note":"{\"chapter\":\"FELDSPAR AND NEPHELINE SYENITE\",\"section\":\"World Mine Production and Reserves\",\"commodity\":\"Feldspar And Nepheline Syenite\",\"statistic\":\"Production\",\"detail\":\"Mine production: includes pegmatites\",\"unit\":\"thousand metric tons\",\"rounded\":false,\"source_id\":\"usgs_mcs\",\"vintage\":\"MCS 2026\"}","originalRow":770,"originalField":"value"},{"country":"ESP","name":"Spain","year":"2025","value":"620.0","status":"Estimated latest-year observation","note":"{\"chapter\":\"FELDSPAR AND NEPHELINE SYENITE\",\"section\":\"World Mine Production and Reserves\",\"commodity\":\"Feldspar And Nepheline Syenite\",\"statistic\":\"Production\",\"detail\":\"Mine production: includes pegmatites\",\"unit\":\"thousand metric tons\",\"rounded\":false,\"source_id\":\"usgs_mcs\",\"vintage\":\"MCS 2026\"}","originalRow":785,"originalField":"value"}]}