One of the universal symbols of marriage is the wedding ring. Not many people know how it came to be one but its history is actually quite a fascinating one.
Citrine has a hardness of 7 on the MOHS scale which indicates a good toughness quality.
Peridot has a hardness of around 6.5 - 7 on the Mohs Hardness Scale making it durable enough for jewelry wear.
The pearl has a hardness of 2.5 in the MOHS scale of hardness.