franciscanite

English

Etymology

From Franciscan +‎ -ite named after the Franciscan Complex geological formation near San Francisco California.

Noun

franciscanite

1. (mineralogy) A brownish-red trigonal mineral containing manganese and vanadium found in California.

Further reading

• “franciscanite”, in Mindat.org‎^[1], Hudson Institute of Mineralogy, 2000–2024.