Lapis lazuli
Natural stone
A deep blue rock of lazurite, often with gold flecks of pyrite. Soft and porous; keep it from water, chemicals and heat. Some is dyed or waxed.
Hardness (Mohs): 5–5.5
Natural stone
A deep blue rock of lazurite, often with gold flecks of pyrite. Soft and porous; keep it from water, chemicals and heat. Some is dyed or waxed.
Hardness (Mohs): 5–5.5