Last Updated:2025/11/26

The geologist carefully examined the humboldtine found in the ancient coal seam under the microscope.

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The geologist carefully examined the humboldtine found in the ancient coal seam under the microscope.

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地質学者は、古代の石炭層で見つかった炭素・水素・鉄・酸素を含む単斜晶系の柱状鉱物を顕微鏡で注意深く調べた。

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