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New Zealand | |
| Osborne Hutton, C. (1956) Re-Examination of the mineral tuhualite. Mineralogical Magazine 31, 96-106. |
| Collection of Rod Martin |
| Ewart, A., Cole, J.W. (1967) Textural and mineralogical significance of the Granitic Xenoliths from the Central Volcanic Region, North Island, New Zealand. New Zealand Journal of Geology and Geophysics, 10:1, 31-54, |
Mount Tarawera, Okataina, Rotorua District, Bay of Plenty Region, New Zealand