Simon Eugster via Wikimedia Commons / Getty Images and Icons Mind via Canva Black onyx is a protection crystal that helps preserve personal energy while steering you clear of any negative energy.
Emerald is a dark-ish green crystal. Emerald is a healing stone that also helps with love by opening up the heart chakra.
A ruby represents love, purity, peace of mind, mental power, courage, and persistence. The thing with Capricorns is that they're dedicated and disciplined to the task at hand, and they're also persistent,
Ah, the official birthstone of a Capricorn. Wearing a garnet might as well be the best thing that a Capricorn could do since it seems to be the most protective and beneficial crystal that a Capricorn could possess.
This stone of love helps mostly with Capricorn women and creates a healthy family with the right person.
Turquoise is a healing and protective stone that is believed to open up the throat chakra and allow for more effective communication.
Blue topaz is excellent for bringing peace and calmness and is beneficial for meditation.
This final crystal benefits Capricorns by enhancing prudence within a Capricorn, which is something that a typical Capricorn would find to be beneficial.