azurite
Noun
Meaning
Blue carbonate of copper; blue malachite.
Source: Webster's dictionarySynonyms
garnet
emery
clay
crystal
graphite
brimstone
blue
mineral
calcite
gypsum
alabaster
bauxite
fluorite
carbon
formula
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Examples
The search for the perfect blue During the 17th and 18th centuries, chemists in Europe tried to discover a way to create synthetic blue pigments, avoiding the expense of importing and grinding lapis lazuli, azurite and other minerals.
Pigments made from azurite were less expensive, but tended to turn dark and green with time.