{"schemaVersion":1,"metric":{"id":"usgs-perlite-reserves-38a36e2d","title":"Perlite · Reserves","unit":"thousand metric tons","definition":"Perlite · Reserves 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-perlite-reserves-38a36e2d.json","csv":"/global-data/usgs-perlite-reserves-38a36e2d.csv","rows":5,"present":5,"countries":5},"rows":[{"country":"CHN","name":"China","year":"2025","value":"32000.0","status":"Reported reserves snapshot","note":"{\"chapter\":\"PERLITE\",\"section\":\"World Mine Production and Reserves\",\"commodity\":\"Perlite\",\"statistic\":\"Reserves\",\"detail\":\"Reserves\",\"unit\":\"thousand metric tons\",\"rounded\":false,\"source_id\":\"usgs_mcs\",\"vintage\":\"MCS 2026\"}","originalRow":1819,"originalField":"value"},{"country":"GRC","name":"Greece","year":"2025","value":"180000.0","status":"Reported reserves snapshot","note":"{\"chapter\":\"PERLITE\",\"section\":\"World Mine Production and Reserves\",\"commodity\":\"Perlite\",\"statistic\":\"Reserves\",\"detail\":\"Reserves\",\"unit\":\"thousand metric tons\",\"rounded\":false,\"source_id\":\"usgs_mcs\",\"vintage\":\"MCS 2026\"}","originalRow":1820,"originalField":"value"},{"country":"IRN","name":"Iran","year":"2025","value":"15000.0","status":"Reported reserves snapshot","note":"{\"chapter\":\"PERLITE\",\"section\":\"World Mine Production and Reserves\",\"commodity\":\"Perlite\",\"statistic\":\"Reserves\",\"detail\":\"Reserves\",\"unit\":\"thousand metric tons\",\"rounded\":false,\"source_id\":\"usgs_mcs\",\"vintage\":\"MCS 2026\"}","originalRow":1821,"originalField":"value"},{"country":"SVK","name":"Slovakia","year":"2025","value":"30000.0","status":"Reported reserves snapshot","note":"{\"chapter\":\"PERLITE\",\"section\":\"World Mine Production and Reserves\",\"commodity\":\"Perlite\",\"statistic\":\"Reserves\",\"detail\":\"Reserves\",\"unit\":\"thousand metric tons\",\"rounded\":false,\"source_id\":\"usgs_mcs\",\"vintage\":\"MCS 2026\"}","originalRow":1822,"originalField":"value"},{"country":"USA","name":"United States","year":"2025","value":"50000.0","status":"Reported reserves snapshot","note":"{\"chapter\":\"PERLITE\",\"section\":\"World Mine Production and Reserves\",\"commodity\":\"Perlite\",\"statistic\":\"Reserves\",\"detail\":\"Reserves\",\"unit\":\"thousand metric tons\",\"rounded\":false,\"source_id\":\"usgs_mcs\",\"vintage\":\"MCS 2026\"}","originalRow":1818,"originalField":"value"}]}