dumortierite
/djʊˈmɔːtɪərʌɪt
/noun [mass noun]
A rare blue or violet mineral occurring typically as needles and fibrous masses in gneiss and schist. It consists of an aluminium and iron borosilicate.Little known from the east coast, important deposits of dumortierite exist in Rochester and Oreana, Nevada....
- Beautiful blue semi-precious dumortierite nuggets are accented by sparkling 8mm clear Swarovski crystals.
- Detrital dumortierite infrequently has been found in the heavy mineral fraction of sediments.
Origin
Late 19th century: from the name of V.-E. Dumortier (1802–76), French geologist, + -ite1.
- pell
- pellagra
- pellagragenic
- pellagra-preventive factor
- pellagrin
- pellagrous
- pellar
- Pellegrini–Stieda
- peller
- pellet
- pelletability
- pelletable
- pellet bell
- pellet bomb
- pellet bow
- pelleter
- pelletierine
- Pelletier, Pierre-Joseph
- pelletisation
- pelletise
- pelletiser
- pelletization
- pelletize
- pelletizer
- pellet mill