青石英[Blue Quartz] - 达人(其实～我是卧底，来自外星) - 5D艺术网

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2005/08/20 | 青石英[Blue Quartz]
类别(℃〖化学〗) | 评论(0) | 阅读(20) | 发表于 19:41: A blue quartz whose color is caused by FeTiO₃ precipitate. Blue quartz is found only in old rocks, since the exsolution process by which ilmenite is precipitated is very slow.; 0

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