This beautiful optical Calcite crystal from India is a true marvel of nature. It features a stunning rainbow effect and is double refractive, making it a unique addition to any collection. It is perfect for those who love rocks, fossils, and minerals, or those who appreciate the beauty of nature.

The crystal's shape is natural, almost a rhombus, and adds to its charm. Its optical properties make it a fascinating piece to observe and admire. Whether you are a collector or just looking for a beautiful decoration, this crystal is sure to impress.

Weight: 89.21 grams

Dimensions: 5.5×3.1×2.5cm