The calcite dichroscope is used to determine whether a gemstone is dichroic, displaying two distinct colors when viewed from different directions. This property helps differentiate stones of similar body color and is especially useful for examining rough material or mounted stones where other instruments are difficult to use. Features Reveals whether a stone is dichroic (shows two colors) Assists in distinguishing gemstones of similar appearance Effective for examining rough stones and mounted gems Constructed with calcite for durability and long service life Compact and easy to use in bench or field settings Specifications Instrument Type Dichroscope Optical Material Calcite Notes Use under appropriate lighting conditions for best results. A dichroscope is a screening tool and should be used alongside other gemological instruments for more conclusive identification.