Rocks and specimens from Nevada

Starburst Crystals

Thin turquoise spines with electric green balls on the ends create a shocking contrast in colors as they radiate out from the rough, dark brown rock below.

Photo by Yaiba Sakaguchi from

These spiny agardite crystals have conichalcite balls on the ends which make them look so otherworldly, but they are from Nevada! Both contain copper arsenate, which gives them their green and turquoise colors.