Mahalaxmi One who is wealthy, the richness or glory of the universe. If self were not, then all would have been inert, unborn, deed. As the one life every-where, as pure existence, all the glories of this dynamic Universe are in him and from him alone.
The Laxmi Shaligram brings immense wealth in the house of the devotee and never ever the worshipper will be short of anything in his life. Where Laxmi resides Lord Vishnu also comes and stay there and hence the worshipper is immensely benefitted in all the possible ways.