Story: Gemstones

Greywacke pebbles with quartz veins

Greywacke pebbles with quartz veins

This selection of greywacke pebbles is from Ōwhiro Bay, Wellington. Greywacke is a hard, grey sandstone, often with fractures that are filled with quartz veins. These range in width from paper-thin to several millimetres.

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Te Ara - The Encyclopedia of New Zealand
Photograph by Alastair McLean

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How to cite this page:

Jocelyn Thornton, 'Gemstones - Quartz', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/photograph/5121/greywacke-pebbles-with-quartz-veins (accessed 29 January 2022)

Story by Jocelyn Thornton, published 12 Jun 2006