It has round mounds of Calcite crystals. They are grey in regular light, but they are bright yellow under UV light. In regular light, there Gypsum crystals are clear but in UV light, they have a light blue hour-glass shape in them. These crystals are also Phosphorescent.
All rocks fluoresce a medium orange color.
Tell us which one you would like. Tell us which one you would like. In regular light, the rocks are brown, white and green.