Spinel

https://www.wikidata.org/wiki/Q191310

Field Hierarchy

Parent
Biology 36M papers	Materials science 18.5M papers	Geology 10.4M papers	Paleontology 5.5M papers
Metallurgy 4.8M papers
Current
Spinel 46.6k papers
Child
Periclase 1,922 papers		Melilite 1,391 papers

Trends

Notes

History