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- Dictionaryul·tra·ma·rine/ˌəltrəməˈrēn/
noun
- 1. a brilliant deep blue pigment originally obtained from lapis lazuli: "ultramarine blue"
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noun
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Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powder. 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. Wikipedia