Mineralogist Jeffrey Post of the Smithsonian Institution in Washington, D.C., agrees.

华盛顿特区史密森学会的矿物学家杰弗里·波斯特表示同意。

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Mineralogist Jeffrey Post of the Smithsonian Institution in Washington, D. C., agrees.

华盛顿特区史密森学会的矿物学家杰弗里·波斯特表示同意。

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The report included letters and attachments by other expedition members, including naturalist and mineralogist George Bird Grinnell.

这个报告包括了其他探险队成员的信件和附件，内中还包括自然学家和矿物学家乔治·伯尔德•格林·尼尔。

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This jewel-like effect makes the giant crystals truly unique, according to John Rakovan, a mineralogist at Miami University in Ohio, who was not involved in the project.

JohnRakovan指出，珠宝样的外观赋予了这些巨大的晶体以绝对的独特性。他是俄亥俄州迈阿密大学的矿物学家，并没有加入这个研究项目。

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This jewel-like effect makes the giant crystals truly unique, according to John Rakovan, a mineralogist at Miami University in Ohio, who was not involved in the project.

JohnRakovan指出，珠宝样的外观赋予了这些巨大的晶体以绝对的独特性。他是俄亥俄州迈阿密大学的矿物学家，并没有加入这个研究项目。

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