Double Terminated Clear Quartz Crystal artichoke quartz Valadares region

Valadares region

all on a matrix base

and the red areas have inclusions of iron / hematite

Well formed arsenopyrite specimen with druzy purple fluorite crystals atop

Double Terminated Clear Quartz Crystal artichoke quartz Valadares regionClear, intergrown quartz crystal with double terminations. There are multiple rainbows. Doubly terminated quartz crystal clusters are a rare and fascinating type of quartz formation. They consist of multiple crystals that have two natural terminations or points at both ends, instead of one. These crystals grow in environments where they are not attached to a host rock or matrix, but instead float freely in a fluid filled cavity. The fluid provides the