This specimen has rounded light yellow calcite crystals on one side and grey lustrous rhombic dolomite crystals on the other side, with a small patch of drusy quartz crystals at the base of the dolomite. Specimen has been bruised, condition is fair. from unknown european location. Measures 3 x 2.5 x 1.75 inches ( 7.5 x 6.4 x 4.4 cm). With old label, has the word "German" on it, so specimen may be from Germany.