Emerald improves faculties related to the brain such as memory, communication, intuition, the intellect, and the ability to learn. It is normally petal green or dark green in colour. Emerald is a hot gem. It increases intelligence and brainpower, removes and cures fickle-mindedness, loss of memory, stammering, fear from souls and spirits, cools the harsh speech. Emerald should be used in gold, silver , panchadhatu of 3, 5, 7 or 10 grams on 4th finger of right hand on Wednesday. An Emerald wearer is likely to find sufficient wealth.