glaucophane
noun
glau·co·phane
ˈglȯkəˌfān
plural -s
: a mineral Na2(Mg,Fe)3Al2Si8O22(OH)2 consisting of a blue, bluish black, or grayish silicate of sodium, aluminum, iron, and magnesium occurring in certain crystalline schists
Word History
Etymology
German glaukophan, from glauk- glauc- + -phan -phane
- in reaction to
- in readiness
- in real life
- in reality
- in reason
- in record numbers
- in record time
- in reference to
- in regard to
- in regular use
- in rehearsal
- in relation to
- in rem
- in remission
- in repose
- in req
- in rerum natura
- in reserve
- in residence
- in respect of
- in respect to
- in retrospect
- in return
- in reverse
- in reverse gear