Cristobalite from Ruapehu District, Manawatu-Whanganui Region, New Zealand
New Zealand | |
| Rod Martin personal collection |
Johnstone, R.D. (1979) Fumarole Incrustations and Some Aspects of the Thermal Alteration at Ketetahi, Mount Tongariro, New Zealand. Geothermal Institute, University of Auckland, New Zealand. |