Levyne-Offretite from Beech Creek, Oregon Levyne-Offretite from Beech Creek, Oregonv. 6171–173White, John S., Jr. 1975. "Levyne-Offretite from Beech Creek, Oregon." Mineralogical Record, 6 171–173.More...ID: 97177Type: articleKeywords: NMNH; NH-Mineral Sciences; Annals-Import