granite-greisen 花岗云英岩
feldspar-greisen 长石云英岩
tourmaline-greisen 电气云英岩 ; 电气石云英岩
Kenneth Greisen 格雷森
topaz greisen 黄玉云英岩
greisen type 云英岩型
greisen-lithify 云英岩化
N a light-coloured metamorphic rock consisting mainly of quartz, white mica, and topaz formed by the pneumatolysis of granite 云英岩
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