Pearl
Natural stone
Grown in a mollusc, layer upon layer of nacre. Very soft and sensitive to acids, perfume and heat – put pearls on last, and wipe them after wearing.
Hardness (Mohs): 2.5–4.5
Natural stone
Grown in a mollusc, layer upon layer of nacre. Very soft and sensitive to acids, perfume and heat – put pearls on last, and wipe them after wearing.
Hardness (Mohs): 2.5–4.5