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 === Mineral Commodity ===
-The following query pulls items classified as mineral commodity and associated code values from the USGS Mineral Resources Data System and/or Mindat. Not all codes are in place for the items and Mindat codes will be changing to the long-form identifier resolvable at mindat.org.
+The following query pulls items identified as mineral commodities with their associated subclass relationships where applicable. Items were sourced and identified as commodities from a combination of sources:
+* [[Item:Q41269|MRDS commodity names and codes]]
 <sparql tryit="1">
 PREFIX wd: <https://geokb.wikibase.cloud/entity/>
 PREFIX wdt: <https://geokb.wikibase.cloud/prop/direct/>
-PREFIX p: <https://geokb.wikibase.cloud/prop/>
-PREFIX pq: <https://geokb.wikibase.cloud/prop/qualifier/>
-SELECT ?item ?itemLabel ?mrds_code ?mindat_id
+SELECT ?item ?itemLabel ?itemDescription
+?subclassOf ?subclassOfLabel
 WHERE {
    ?item wdt:P1 wd:Q406 .
-  ?item p:P1 ?instance_statement .
    OPTIONAL {
-     ?instance_statement pq:P19 ?mrds_code .
+     ?item wdt:P2 ?subclassOf .
-  }
-  OPTIONAL {
-    ?instance_statement pq:P99 ?mindat_id .
    }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . }