Collection: Clay Quartz Crystals & Specimens | The Old and Curious

Clay Included Quartz features natural clay minerals trapped within quartz during crystal growth, creating extraordinary internal landscapes, earthy colouration and intricate patterns preserved within crystal. These fascinating inclusions often resemble miniature deserts, mountains, clouds or ancient terrains suspended in transparent quartz. Explore our collection of Clay Included Quartz, showcasing remarkable geological artistry formed over millions of years.