Story: Rock and mineral names

Microscopic view of tuhualite

This microscope slice (1 millimetre long) shows the deep purple of tuhualite crystal.

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GNS Science

by Nick Mortimer

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How to cite this page

Simon Nathan, Rock and mineral names – Mineral names – 1, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/photograph/9085/microscopic-view-of-tuhualite (accessed 4 June 2026).

Story by Simon Nathan, published 2 March 2009.