搜尋:purple, grayish 在 地質 分類當中

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中文名:斑銅礦

, it turns iridescent deep purple or blue. After a period of time, it turns dark black. The streak.....more

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中文名:堇青石

. The colors may appear pale blue, deep blue or grayish blue; some maybe transparent, white, gray, pale yellow.....more

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