What effect does conch shell have on geomantic omen?

Conch can be used as a feng shui product. It is said that some of them can make money, which means peace and good luck. But it must not be artificial, it must be big. The best is the white right-handed conch in Buddhism, which is rare and expensive. Buddhism is called right-handed and biology is called left-handed! The maintenance method is to soak in water regularly.