Quartz geodes from Schöngleina in Thuringia, Germany – 1 unique flat
This flat features numerous quartz geodes with partially opened cavities lined with colorless to pale violet quartz crystals. Some pieces display fine reddish inclusions, likely iron oxides, creating attractive contrasts against the crystal surfaces. The external matrix is typically greenish-grey to beige, offering a striking visual counterpoint to the glistening interiors.
Schöngleina in Thuringia is a classic locality known for quartz geodes formed in volcanic rocks. These almond-shaped cavities originally developed as gas bubbles in cooling lava and were later filled with quartz from silica-rich solutions. This unique flat provides a representative and aesthetic overview of the mineralogical variety found at this geologically significant site.