Hard stone
Hartstein stands for:
- Hard stone , common classification in stone processing, see hard and soft stone
Companies:
- Central German hard stone industry
- Odenwald hard stone industry
- Werdenfels hard stone works , quarry near Eschenlohe
Hartstein is the family name of the following people:
- Bernd Hartstein (1947–2002), German marksman
- Eduard Hartstein (1823–1869), German agronomist
- Gary Hartstein (* 1955), American physician
