77g Optical Calcite Freeform TC2103 deity Color fade - In this

Color fade - In this mode

Celestine on Sulfur Specimen

Dimensions: 5x2

This amazing piece features a secondary crystal and a fully self-healed termination on the bottom

Diameter: 40 mm

77g Optical Calcite Freeform TC2103 deity Color fade - In this77g Optical Calcite Freeform Approx. Dimensions: 1x1x2 inches Approx. Weight: 77 grams Locality: Maharashtra, India Optical calcite is also referred to as Iceland Spar because of its first discovery in Eskifjord, Iceland. It is typically colorless, and exhibits the optical phenomenon of double refraction where an object viewed through the calcite will appear doubled. Double refraction, or birefraction, is also called birefringence and is also