What Is Persian Turquoise?
Iranian Turquoise Over the past decades, the Geological Survey of Iran (GSI) has conducted many field investigations revealing numerous gemstone and Iranian Turquoise occurrences in the Khorasan Razavi Province (KRP) in Northeast Iran. Agate, onyx, amethyst, jasper, opal, rock crystal (clear quartz), rose quartz, orthoclase, tourmaline, fluorite, epidote, garnet group, ilmenite, aragonite, chrysocolla, and Iranian […]