Definitions
from The Century Dictionary.
- noun Emerald copper ore; silicate of copper, a translucent mineral, occurring crystallized in six-sided prisms.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A hydrous silicate of copper, occurring in emerald-green crystals.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun An intense emerald-green to bluish-green
copper cyclosilicate mineral .
Etymologies
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Examples
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Reinvestigation of dioptase-plancheite pseudomorphs after calcite from the Tantara copper deposit Katanga, Republique du Congo.
OpEdNews - Diary: Humanitarian Crisis in Gorilla Habitat 2006
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