更多pegmatite例句

1. Chrysoberyl is known as a constituent of certain kinds of granite, pegmatite and gneiss.
2. Pegmatite and Porphyry (with a very few small crystals of felspar) and Gneiss?
3. I observed Pegmatite of a white colour, and hornblende Porphyry and Diorite.
4. The hills on which I stood were composed of Pegmatite, with patches of white Mica in large leaflets.
5. In one of the creeks I observed pegmatite; pebbles of talc-schiste and of white quartz covered the bed of the river.