Physical and optical properties of aquamarine gemstone- a case study from vemireddipalle area, krishna district, andhra pradesh, india

A gemstone is a mineral or an organic substance, which looks attractive when fashioned into an ornamental object such as a bead, carving, box, cabochon or faceted stone. In India Aquamarine was reported from Andhra Pradesh, Odisha, Rajasthan, Kerala and Karnataka. The author reported the occurrence of Aquamarine from Vemireddipalle area, Krishna District, Andhra Pradesh, India, for the first time. Physical (colour, hardness and specific gravity) and Optical (refractive index, optic sign, birefringence, pleochroism, Fluorescence, luster and transparency) properties are studied using standard gemological methods. The study concluded that the physical and optical properties are consistent with Aquamarine gemstone.