Red Moss Agate is one of the most visually dramatic varieties of moss agate available, combining the translucent, glowing quality of chalcedony with dendritic inclusions in shades of deep red, crimson, and rust that branch and spread through the stone like ancient trees silhouetted against a winter sky. Each cabochon I cut from this material is a miniature landscape in warm, fiery tones, with the red dendrites creating a sense of depth and movement that makes the stone appear to contain an entire world within its translucent body.
Moss Agate is a variety of chalcedony in which mineral inclusions, in this case iron oxides, form branching, plant-like patterns within the translucent host stone during its slow formation in volcanic or metamorphic environments. The red coloration develops from the specific oxidation state of the iron present during crystallization, producing the rich, warm tones that distinguish this variety from the more common green moss agate and give it a bold, passionate visual character that is particularly striking in finished jewelry.