from The Century Dictionary.
- noun 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A form of
stromatolitethat has a clotted, rather than a laminated structure
Sorry, no etymologies found.
The thrombolite structures, which can reach heights of up to 1. 3m, are formed when the micro-organisms photosynthesise.