Fluorescent Calcite Cluster – approx. 500g, Morocco

A spectacular large calcite cluster from Morocco that transforms under ultraviolet light — this fluorescent calcite cluster weighs approximately 500 grams and showcases the remarkable dual personality of one of the mineral world's most versatile species. In natural light, the cluster displays the characteristic translucent to transparent crystal forms of calcite, with a vitreous to pearly lustre and the warm whites, creams, or pale yellows typical of Moroccan material. Under UV light, however, the specimen comes alive with an intense fluorescent glow — typically vivid pink, red, or orange — a phenomenon caused by trace activator elements within the crystal structure.

Morocco is one of the world's premier sources of fine calcite specimens, and fluorescent examples from the region are particularly prized by collectors who appreciate both the aesthetic beauty of the crystals in daylight and the dramatic transformation under UV. At approximately 500 grams, this is a large, display-worthy cluster with exceptional presence in any setting.

• Mineral: Calcite
• Origin: Morocco
• Weight: Approx. 500g
• Form: Natural crystal cluster
• Special property: Fluorescent under UV light