[37] Heliotrop, Mineral, s. Quarz.
Brockhaus-1911: Heliotrop [3] · Heliotrop [2] · Heliotrop
Herder-1854: Heliotrop
Lueger-1904: Heliotrop [4] · Heliotrop [3] · Heliotrop [1]
Meyers-1905: Heliotrŏp [2] · Heliotrŏp [1]
Pierer-1857: Heliotrop [2] · Heliotrop [1]