Home > Term: amygdule
amygdule
A gas cavity or vesicle, in an igneous rock, that is filled with such secondary minerals as calcite, quartz, chalcedony, or a zeolite. The term amygdale is preferred in British usage.
- Sõnaliik: noun
- Valdkond/domeen: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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