Source volume: 43, issue: 3, PDF page: 39. Label: Figure 54. Tourmaline crystals on lepidolite, 11.7 cm, from the Jonas mine. This is one of the specimens trimmed out of the 30-cm mass by the Watzl brothers. Anton Watzl, Sr., photo.Figure 55. Tourmaline crystals on albite, 10.4 cm, from the Jonas mine. This is one of the specimens trimmed out of the 30-cm mass by the Watzl brothers. Anton Watzl, Sr., photo.