cryophyllite
/krʌɪə(ʊ)ˈfɪlʌɪt/Mineralogy. Now disused
noun
A lithium- and iron-containing mica, now regarded as a variety of lepidolite.
Origin
Mid 19th century; earliest use found in American Journal of Science. From cryo- + -phyllite, apparently so called on account of its fusing readily and its laminar structure.
- first cross
- First-day
- first-day cover
- first-degree
- first-degree relative
- first derivative
- first desk
- first down
- first early
- first edition
- First Empire
- first-ever
- first family
- first feature
- first finger
- First Fleet
- First Fleeter
- first floor
- First Folio
- first-foot
- first-footer
- first form
- first four ships
- first-fruit book
- first fruits