hoàng thiết
Definition
- Noun (Mineralogy):
- Iron Pyrite or Copper Pyrite: A naturally occurring mineral, primarily iron sulfide (FeS₂) or copper iron sulfide, with a crystalline structure and a metallic, golden-yellow lustre. It is often mistaken for gold, hence the common name "fool's gold."
Usage Examples
- Noun:
- Các thợ mỏ đã tìm thấy hoàng thiết trong mạch quặng. (The miners found iron pyrite in the ore vein.)
- Ánh vàng của hoàng thiết rất dễ gây nhầm lẫn. (The golden lustre of pyrite is very deceptive.)
- Hoàng thiết là một khoáng vật phổ biến. (Pyrite is a common mineral.)
Advanced Usage
- The term "hoàng thiết" is technical and primarily used in geological, mineralogical, or mining contexts. In general conversation, the simpler term "pyrit" (pyrite) is more common.
Variants and Related Words
Pyrit (n): Pyrite. The more modern and frequently used term for "hoàng thiết."
- Pyrit thường có hình khối lập phương. (Pyrite often forms in cubic crystals.)
Quặng sunfua (n): Sulfide ore. A broader category that includes "hoàng thiết."
- Hoàng thiết là một loại quặng sunfua. (Iron pyrite is a type of sulfide ore.)
Synonyms
- Fool's gold: A common nickname for iron pyrite due to its resemblance to gold.
- Iron pyrite: The specific mineralogical name for FeS₂.
- Copper pyrite: Also known as chalcopyrite, a related copper-iron sulfide mineral.
Related Idioms
- While there are no direct idioms using "hoàng thiết," the concept is related to the idiom:
- Vàng thau lẫn lộn: To be unable to distinguish gold from brass (i.e., to mistake something worthless for something valuable). This mirrors the confusion between pyrite and real gold.
- Thị trường hỗn loạn, vàng thau lẫn lộn. (The market is chaotic; it's hard to tell the genuine from the fake.)