Ealam is the ink of Cardamom. True Cardamom or the Green cardamom. Thicker ink is best suited to Medium / Broad / Calligraphic nibs with good flow. May not be suitable for a fine nib that too with a dry flow.Can dry up sooner in nibs like that. How ever this can be over come by adding a very little amount of clean water. Have moderate shading. Can be mixed with many of the inks. Can be diluted for modifying flow properties.
( Ealam Wikipedia picture)