SWJ0135 - Finest Grade Amethyst Spirit Quartz - South Africa UK Trilobites The morphology of 9 phalanx

The morphology of 9 phalanx and metacarpals bones can be recognized

Agassiz and Desor 1846 (sea urchin)

Florida State University

A wonderfully prepared piece

Age: Middle Devonian - Eifelian Stage (~394 Million Years)

SWJ0135 - Finest Grade Amethyst Spirit Quartz - South Africa UK Trilobites The morphology of 9 phalanxSpirit Quartz is an unusual member of the Quartz family a community within a stone. Its core, a larger, candle shaped crystal with a faceted termination point, is encrusted with hundreds of smaller crystal termination points. Also referred to as Cactus Quartz or Porcupine Quartz, it is found only in the Magaliesberg Mountain region of South Africa, first appearing around 2001. Most Spirit Quartz is Amethyst, though Citrine, Smokey, and White Quartz