essonite
es·so·nite
noun
Origin
Named from Ancient Greek ἥσσων (hḗssōn, “inferior”), because not so hard as some minerals it resembles (e.g. hyacinth).
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.