357g Optical Calcite Freeform TC2009 jewelry Ammolite pendant set in sterling

Ammolite pendant set in sterling silver

It is typically colorless

Natural pink amethyst geode from the Colli Cura Mine

895 gram Grape Agate Specimen

longer wavelengths are transmitted more while shorter wavelengths are diffusely reflected by scattering

357g Optical Calcite Freeform TC2009 jewelry Ammolite pendant set in sterling357g Optical Calcite Freeform Approx. Dimensions: 2. 5x2x2. 5 inches Approx. Weight: 357 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