Whenever you purchase new Gemstones, Bracelets, Mala OR Pendant it is very important to remove negativities and charge them to your own energy/aura so it start working for you.
(Note: I highly recommend you should clean whenever you buy new cloths or item that you are going to wear).
Below link is the quick guide on how to Cleanse and program your Gemstones. Bracelets, Mala OR Pendant.
How to Cleanse and programme Your Crystals OR Gemstones – Bracelets – Mala By Kismet Connection