Definition of pegmatite in English:
pegmatite
noun ˈpɛɡmətʌɪtˈpɛɡməˌtaɪt
Geology A coarsely crystalline granite or other igneous rock with crystals several centimetres in length.
tourmaline occurs mainly in granites, pegmatites, and greisens
mass noun, as modifier pegmatite dykes
Example sentencesExamples
- Huge crystals of excellent color are still being found here in pegmatites.
- Apatite is the most common phosphate mineral found in granitic pegmatites.
- Ed would drill by hand and blast away the rock, exposing the pegmatite.
- It is a large area of granite hills in which numerous pegmatites have been found through the years.
- It has also been found as a constituent of granites and in granitic pegmatites.
Origin
Mid 19th century: from Greek pēgma, pēgmat- 'thing joined together' + -ite1.
Definition of pegmatite in US English:
pegmatite
nounˈpɛɡməˌtaɪtˈpeɡməˌtīt
Geology A coarsely crystalline granite or other igneous rock with crystals several centimeters to several meters in length.
tourmaline occurs mainly in granites, pegmatites, and greisens
mass noun, as modifier pegmatite dykes
Example sentencesExamples
- It has also been found as a constituent of granites and in granitic pegmatites.
- Ed would drill by hand and blast away the rock, exposing the pegmatite.
- Apatite is the most common phosphate mineral found in granitic pegmatites.
- Huge crystals of excellent color are still being found here in pegmatites.
- It is a large area of granite hills in which numerous pegmatites have been found through the years.
Origin
Mid 19th century: from Greek pēgma, pēgmat- ‘thing joined together’ + -ite.