Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powder.Webster's New World Dictionary of American English, Third College Edition 1988. Its lengthy grinding and washing process makes the natural pigment quite valuable—roughly ten times more expensive than the stone it comes from and as expensive as gold.
Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powderWebster's New World Dictionary of American English, Third College Edition 1988. Its lengthy grinding and washing process makes the natural pigment quite valuable—roughly ten times more expensive than the stone it comes from and as expensive as gold.