Kōrero: Gemstones

Crystalline quartz

Quartz crystals usually occur as cavity fillings in volcanic rocks and often have a pyramidal form. The purple variety of crystalline quartz is known as amethyst. The small polished piece has been cut from a slab of amethyst, then trimmed and tumbled.

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

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Te tuhi tohutoro mō tēnei whārangi:

Jocelyn Thornton, 'Gemstones - Quartz', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/interactive/5120/crystalline-quartz (accessed 20 November 2019)

He kōrero nā Jocelyn Thornton, i tāngia i te 12 Jun 2006