Definitions
from The Century Dictionary.
- noun In mineralogy, a variety of amphibole or hornblende, containing a small percentage of manganese, found in Sweden.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A basic
silicate mineral ofsodium ,potassium ,magnesium ,manganese , andcalcium belonging to theamphibole group
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
This definition is lacking an etymology or has an incomplete etymology. You can help Wiktionary by giving it a proper etymology. Possibly for Charles Francis Richter, American seismologist.
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Examples
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