长石[Feldspar] - 达人(其实～我是卧底，来自外星)

2005/09/29 | 长石[Feldspar]

类别(℃〖化学〗) | 评论(0) | 阅读(30) | 发表于 20:40

A class of framework silicates. The feldspar minerals form a continuous solid solution from Ca to Na to K. No (K,Ca) feldspars are found. Feldspar names are assigned to specific composition regions of the solution diagram (Klein and Hurlbut 1985).

Feldspar	Mineral
Albite	NaAlSi₃O₈
Andesine	(Na,Ca)AlSi₃O₈
Anorthite	CaAl₂Si₂O₈
Anorthoclase	(K,Na)AlSi₃O₈
Bytownite	(Na,Ca)AlSi₃O₈
labradorite	(Na,Ca)AlSi₃O₈
microcline	KAlSi₃O₈
orthoclase	KAlSi₃O₈
plagioclase	CaAlSi₂O₈
sanidine	KAlSi₃O₈

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