A crystalline rock allied to granite, mainly composed of hornblende and feldspar, with or without quartz.
| 单词 | θ5721 |
| 释义 | the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > plutonic rocks > syenite (9) syenite1794 A crystalline rock allied to granite, mainly composed of hornblende and feldspar, with or without quartz. Subcategories:— varieties of (8) |
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