- nivenite
- niv·en·ite
English syllables. 2014.
nivenite
Look at other dictionaries:
nivenite — ˈnivəˌnīt noun ( s) Etymology: William Niven died 1937 American mineralogist + English ite : a velvet black variety of uraninite containing cerium and yttrium … Useful english dictionary
William Niven — Infobox Scientist name = William Niven image width = 200 px caption = William Niven, mineralogist, circa 1895 birth date = 6 October, 1850 birth place = Bellshill, Lanarkshire, Scotland death date = June 2, 1937 death place = Austin, Texas,… … Wikipedia
Barringer Hill — is a famous geological and mineralogical site in central Texas. It lies on the former west side of the Colorado river, beneath Lake Buchanan, about convert|22|mi|km northeast of the town of Llano. The hill consists of a pegmatite and geologically … Wikipedia
Уранинит — м л, UO2. Обычно часть U4+ окислена до U6+; постоянна примесь радиогенного Рb, нередко Th и ТR. По содер. Рb определяют абс. возраст м ла. Куб. К лы: кубы, октаэдры или их комбинации. Агр.: вкрапленники, почковидные (смоляная U руда). Смоляно… … Геологическая энциклопедия
