PICKERINGITE

Meaning of PICKERINGITE in English

magnesium-rich variety of the mineral halotrichite (q.v.).

Britannica English vocabulary. Английский словарь Британика. 2012

PICKERINGITE — ˈpik(ə)riŋˌīt noun ( -s ) Etymology: John Pickering died 1846 American scientist + English -ite : a mineral MgAl 2 …
Webster's New International English Dictionary
PICKERINGITE — /pik"euhr ing uyt', pik"ring-/ , n. a mineral, magnesia alum, occurring usually in the form of white fibrous masses. [ …
Random House Webster's Unabridged English Dictionary
PICKERINGITE — General Information: Chemical Formula: MgAl2(SO4)4·22(H2O) Composition: (Molecular Weight = 858.86 gm) Magnesium 2.83 % Mg Aluminum 6.28 % Al Hydrogen …
Mineralogy Database English vocab
HALOTRICHITE — /ha lo"treuh kuyt'/ , n. a mineral, iron alum, isomorphous with pickeringite, occurring in the form of yellowish fibers. [ …
Random House Webster's Unabridged English Dictionary
HALOTRICHITE — a sulfate mineral containing aluminum and iron [FeAl2(SO4)422H2O]. If more than 50 percent of the iron has been replaced by …
Britannica English vocabulary