Chalcedony from selected localities.
Germany | |
| Lapis, 12 (11), 25-28+42. |
| Komotauer, S.K. (1983) Mineralarten im Bild: Calcit, Kalkspat, CaCO3. Mineralien-Magazin, 9/1983, 392-400 [photo of a chalcedony specimen (pseudomorph after calcite) from the locality on p. 394.]; Weiss, S. (1990) Atlas der Mineralfundstellen, Deutschland West. Weise (Munich). |
| [var: Carnelian] F. Müller: "Bayerns steinreiche Ecke", 2nd. ed. (1984), pp. 59-62 |
Johannes Mine, Göpfersgrün, Wunsiedel, Wunsiedel im Fichtelgebirge, Upper Franconia, Bavaria, Germany