goldfieldite
(mineralogy) An isometric-hextetrahedral mineral containing antimony, arsenic, copper, sulfur, and tellurium.
plural of pinsetter
Third-person singular simple present indicative form of unroll
A surname from Arabic.
野外実験室で、鉱物学者はアンチモン、ヒ素、銅、硫黄、テルルを含む等軸六面体の鉱物のきらめく標本を同定し、その異常な組成を注意深く記録した。
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