Meanings
nounorvietite (uncountable)
- uncountablechemistryA mineral consisting of a mixture of plagioclase and sanidine with smaller amounts of leucite and augite, etc.
Origin
Orvieto (a town in Italy) + -ite
Full word history & related roots →Cite this entry
APA
orvietite. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/orvietite
MLA
“orvietite.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/orvietite. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “orvietite,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/orvietite.
Source: orvietite on Wiktionary, CC BY-SA 4.0.