Caring for your Pearls
Gem and mineral hardness is measured on the Mohs scale. Diamonds, which are hard are ranked a 10 while the pearl is ranked 2.5 on the Mohs hardness scale, meaning...
Gem and mineral hardness is measured on the Mohs scale. Diamonds, which are hard are ranked a 10 while the pearl is ranked 2.5 on the Mohs hardness scale, meaning...