Quartz (variety prase), Microcline - Estella diapir outcrops, Autonomous Community of Navarre, Spain - 35mm x 46mm x 52mm
Mineral: Quartz (variety prase), Microcline
Locality: Estella diapir outcrops, Estella, Comarca Tierra Estella, Merindad Estella, Navarre, Autonomous Community of Navarre, Spain
Dimensions: 35mm x 46mm x 52mm

Description: Gray quartz needles naturally broken by matrix movements on the rise to the surface. Small white Microcline crystals are also present on the quartz taking butterfly profiles.