Sardonyx is a very striking stone with an incredibly varied range of patterns and colours. It is said to enhance strength and willpower and to increase stamina, vigour, self-control and self-confidence.
Sardonyx is believed to ensure happy marriages and relationships and to attract friends and good fortune. It is also thought to encourage integrity and virtuous behaviour, to help lift depression and to encourage an optimistic outlook.
Sardonyx can be a useful stone to keep by you when you are learning new things as it is believed to aid the processing and absorption of new information.