How to take care Black Pearls
Here are some Tips. Care is more important for black pearls than for most other gems and jewelry.
They are very soft, relatively delicate products from living creatures, pearls are easily damaged by almost everything they contact.
At Mohs of Pearls are about 2 1/2 to 4 1/2 about the hardness of fingernails, pearls are softer than other gems.
(Mohs is the classic 1-10 hardness scale where talc is 1, quartz is 7, and diamond is 10.)
Regular care will greatly extend the life of all your pearls.