Last Updated：2025/11/26
In the museum's mineral collection, a specimen of friedrichite gleamed with a silver-gray luster, its bismuth- and copper-bearing crystals arranged in an orthorhombic-pyramidal form.
See correct answer
In the museum's mineral collection, a specimen of friedrichite gleamed with a silver-gray luster, its bismuth- and copper-bearing crystals arranged in an orthorhombic-pyramidal form.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories（0）
Source Sentence
博物館の鉱物コレクションには、ビスマス、銅、鉛、硫黄を含む直方晶系の銀灰色の鉱物の標本が金属光沢を放ち、その結晶はビスマスや銅を豊富に含んでいた。
