HyperDic: oligoclase

English > 1 sense of the word oligoclase:
NOUNsubstanceoligoclase, plagioclaseany of a series of triclinic feldspars that form rocks
English > oligoclase: 1 sense > noun 1, substance
MeaningAny of a series of triclinic feldspars that form rocks.
Synonymplagioclase
Narroweralbite, white feldsparA widely distributed feldspar that forms rocks
anorthiteRare plagioclastic feldspar occurring in many igneous rocks
Broaderfeldspar, felsparAny of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium
Substance ofbasaltThe commonest type of solidified lava
daciteA grey volcanic rock containing plagioclase and quartz and other crystalline minerals
Spanisholigoclasa, plagioclasa
Catalanoligoclasa, oligòclasi, plagioclasa, plagiòclasi

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