Pyrite and iron sulfide. Pyrite (fool's gold) is a lustrous mineral composed of iron disulfide (FeS2, left). Iron sulfide (FeS, in watch glass, right) is a black solid. They have a very different appearance, despite both being composed of iron and sulfur.
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Creative#:
TOP22304351
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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N/A
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