13 mukhi Rudraksha represents Lord Kamadeva and planet venus. When invoked, showers all possible comforts of daily life one can ever want. It presents riches and honor and fulfills every one of the earthly dreams and gives eight achievements (Siddhies) and may be very useful for researchers in chemical science. https://martinvjvju.blazingblog.com/8767042/how-kamadeva-rudraksha-mala-can-save-you-time-stress-and-money