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.
Te whakamahi i tēnei tūemi
Te Ara - The Encyclopedia of New Zealand
Photograph by Alastair McLean
This item has been provided for private study purposes (such as school projects, family and local history research) and any published reproduction (print or electronic) may infringe copyright law. It is the responsibility of the user of any material to obtain clearance from the copyright holder.
Tukunga
I have found some rocks and
Repzzy Waipouri (not verified)
13 May 2016
Tāpiritia te tākupu hou