Calcite Crystals on matrix - Height: 28 cm - Width: 38 cm- 8.6 kg - (1)

Remarkable in size, it makes for a museum-quality piece or a cabinet display.
Crystallized black calcite. It is sharp (scalenohedra) and shows a pink-red/purple fluorescence under ultraviolet light. See the latest photos taken with a small UV flashlight).
The back is smooth and glossy, and it has various craters and layers between the base and the surface that are not visible from the front... Bubbles related to its formation.
It weighs 8.6 kg
Dimensions: 28 cm tall, 38 cm at the widest point and 15.5 cm at the narrowest width, with a thickness of 8.5 cm.
The metal display stand is included in the lot.