Advertisement
Advertisement
alunite
[ al-yuh-nahyt ]
noun
- a mineral, a hydrous sulfate of potassium and aluminum, KAl 3 (SO 4 ) 2 (OH) 6 , commonly occurring in fine-grained masses.
alunite
/ ˈæljʊˌnaɪt /
noun
- a white, grey, or reddish mineral consisting of hydrated aluminium sulphate. It occurs in volcanic igneous rocks and is a source of potassium and aluminium compounds. Formula: KAl 3 (SO 4 ) 2 (OH) 6
Discover More
Word History and Origins
Discover More
Word History and Origins
Origin of alunite1
C19: from French alun alum (from Latin alūmen ) + -ite 1
Discover More
Example Sentences
Alunite, al′un-īt, n. a mineral consisting of common alum together with normal hydrate of aluminium.
From Project Gutenberg
Alum-rock, or alum-stone, is a species of impure alunite, and is not of very common occurrence.
From Project Gutenberg
In the Goldfield camp (p. 230) the ores are closely associated with alunite in such a manner as to suggest a common origin.
From Project Gutenberg
Alunite is a potassium-aluminum sulphate, which differs from sericite in that sulphur takes the place of silicon.
From Project Gutenberg
Alunite occurs as veins and replacement deposits, often in igneous associations, and is supposed to be of igneous source.
From Project Gutenberg
Advertisement
Advertisement
Advertisement
Advertisement
Browse