A variety of plagioclase feldspar found in igneous rocks and characterized by brilliant colors in some specimens.
一种斜长岩长石的变体，发现于火成岩中，某些样本中含有丰富绚烂的颜色。
Symbiosis with acidic potassium feldspar, plagioclase, biotite.
与钾长石、酸性斜长石、黑云母共生。
The affecting factors of low value by activation energy determination include heating duration in low temperature stage, pureness of K feldspar and mixture of some plagioclase, quartz et al.
导致活化能取值偏低的影响因素包括低温阶段的加热时间、K-长石的纯度和部分斜长石、石英的混入等。
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