from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A green monoclinic copper mineral, polymorphous with atacamite, paratacamite, and clinoatacamite.
from The Century Dictionary and Cyclopedia
- n. A mineral containing copper as hydroxy-chlorid, found at the Bottallack mines, Cornwall, closely related to if not identical with atacamite.
Botallack mine, Cornwall, and -ite. (Wiktionary)