from The Century Dictionary.
- noun A hydrated silicate of iron, of a conchoidal fracture and earthy structure, and varying from yellow to green in color.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A massive mineral, greenish in color, and opal-like in appearance. It is essentially a hydrous silicate of iron.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A
massive mineral, greenishin colour and opal-like in appearance, essentially a hydrous silicateof iron.
from Wiktionary, Creative Commons Attribution/Share-Alike License
chloro- + opal
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