franciscanite
English edit
Etymology edit
From Franciscan + -ite named after the Franciscan Complex geological formation near San Francisco California.
Noun edit
franciscanite
- (mineralogy) A brownish-red trigonal mineral containing manganese and vanadium found in California.
Further reading edit
- “franciscanite”, in Mindat.org[1], Hudson Institute of Mineralogy, 2000–2024.