gold nugget; gold bullion; gold bar; gold ingot
Refers to a lump or mass of gold, whether naturally occurring (nugget) or refined (bar/ingot). Used in financial, mining, and everyday contexts.
彼は川で金塊を見つけた。
He found a gold nugget in the river.
中央銀行は金塊を保管している。
The central bank stores gold bullion.
Gold bars were found in a sunken ship on the seabed.
The man was arrested for trying to smuggle gold bullion.
The expedition team discovered an old gold bar inside the cave.
The factory melts down gold bars to make products.