from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A form of stromatolite that has a clotted, rather than a laminated structure
from The Century Dictionary and Cyclopedia
- n. An amorphous emerald-green mineral occurring with malachite at Rézbánya, Hungary. It contains the oxids of copper and antimony, with water, but its homogeneity is doubtful.
Sorry, no etymologies found.