Chalcedony nodule Morocco

This chalcedony nodule from Morocco is a microcrystalline variety of quartz characterized by its fibrous and translucent structure. Nodules are rounded rock formations, often found in volcanic or sedimentary host rocks. This mineral displays a color palette ranging from blue-gray to reddish-brown and white, typical of chalcedony, which can form in a diverse range of geological environments.

This stone measures approximately 5 cm.