ili:i114203
http:| rdf: | type | |
| skos: | definition | a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities |
Semantic relations
| ∴dns: | linked concept |
Other
| Source | http: |
∴ fully or partially logically inferred
↓ download data as: .ttl