Optical calcite natural prism

This stone is a natural prism of optical calcite, characterized by its clarity and precise geometric crystalline form. Calcite, a calcium carbonate, is known for its wide spectrum of crystalline forms and colors. This mineral is particularly prized for its birefringence, an optical phenomenon where light splits into two beams as it passes through. Optical calcite has been used since antiquity for various scientific and decorative applications. This model illustrates the natural beauty and unique properties of calcite, extracted mainly from regions rich in limestone deposits.

This stone measures approximately 4 cm.