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Hendersons Quarry, Mt Ngongotaha, Rotorua, Bay of Plenty, North Island, New Zealand
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Mt. Ngongotaha is a rhyolite dome with high-temperature gas phase silicate and oxide minerals present in cavities.

Mineral List

Augite
Edenite
Fayalite
Ferro-edenite
Fluoro-edenite
Hematite
'Hornblende'
Ilmenite
Magnetite
Mullite
Osumilite-(Mg)
Phlogopite
Pseudobrookite
Quartz
Richterite
Titanite
Tridymite


17 entries listed. 16 valid minerals.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Grapes, R., Thornton, J., and Howard, D. (1993. Vug minerals in rhyolite, Hendersons Quarry, Mount Ngongotaha, Geological Society of New Zealand, Miscellaneous Publication 79A: 76.

Jens Richnow(1999): Eruptional and post-eruptional processes in rhyolite domes. PhD thesis, University of Canterbury.

External Links


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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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