Malachite is extremely good for protecting you from negative energy. It almost creates an aura of positivity which pushes away all the bad vibes.
It can also aid with emotional balance, and helping to support those who listen regularly to others problems.
And it can also help boost self confidence!
Ritualistic uses -
Element - Fire
Planet - Venus
Zodiac - Scorpio and Capricorn
Chakra - Heart and Solar Plexus