| Subject | German | English |
| mining. | dunkelgrauer feuerfester Ton | linseed earth |
| entomol. | Dunkelgrauer Wellenrandspinner | dusky marbled brown moth (Gluphisia crenata) |
| entomol. | Dunkelgrauer Zickzackspinner | lunar marbled brown moth (Drymonia ruficornis) |
| mining. | sehr hartes, dunkelgraues, sideritisches Gestein | blowup whistler |
| mining. | stark quellender dunkelgrauer Ton | lucianite (Santa Lucia, Mexiko) |