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.
The thrombolite structures, which can reach heights of up to 1. 3m, are formed when the micro-organisms photosynthesise.