世界最大的晶體洞

愛好天然石的朋友,便不可錯過以下youtube 的一段片了,這是世界最大的水晶洞的實地拍攝.令人大開眼界giant-crystals_big

地點是墨西哥的  Chihuahuan 沙漠上Naica 山脈千尺之下.有些石膏晶柱,長達36尺,重達55噸之巨.科學家說,它們是經過六十萬年的時間才可以凝結得到.部分晶體內藏一些液體及種子,裏面就是時間之囊,它們的年歲起嗎三萬年.

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