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New Zealand | |
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| Rough Country Minerals specimens |
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| Moore, P. R., Trotter, M. 2017. A re-assessment of the early Māori use of silicified tuff (palla) in the Canterbury region. Records of the Canterbury Museum, 2017 Vol. 31: 139–158 |
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| Sorrell, Steve (n.d.) Personal communication. |
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| www.craiggems.co.nz (n.d.) http://www.craiggems.co.nz |
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| NZ Gemstones J Thornton |
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| www.craiggems.co.nz (n.d.) http://www.craiggems.co.nz |
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| J. Thornton. Zeolites and other minerals on Middlehurst Station. Essence of Microscope (NZ) |
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| sites.google.com (n.d.) https://sites.google.com/site/theotagorockandmineralclub/field-trips/fossicking-sites/nimmo-s-swamp--- |
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| Krupp, R.E., Seward, T.M. (1987) The Rotokawa Geothermal System, New Zealand
An Active Epithermal Gold-Depositing Environment. Economic Geology 82:5, 1109-1129. |
- Thames-Coromandel District
| Judy Rowe collection |
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| CF Johnson collection
Collected by CF Johnson |
Mt Somers agate sites, Mount Somers, Ashburton District, Canterbury Region, New Zealand