Definition of dumortierite in English:
dumortierite
noun djʊˈmɔːtɪərʌɪtd(y)o͞oˈmôrdēəˌrīt
mass nounA rare blue or violet mineral occurring typically as needles and fibrous masses in gneiss and schist. It consists of an aluminium and iron borosilicate.
Example sentencesExamples
- 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.
- Although dumortierite has a reputation for being difficult to polish, we have found it works easily and polishes well with diamond.
- Blue quartz, also called dumortierite, is a stone of order that can enhance organizational abilities, self-discipline, and orderliness.
Origin
Late 19th century: from the name of V.-E. Dumortier (1802–76), French geologist, + -ite1.