noun
native silver
A mineralogical term for naturally occurring silver in its elemental form, as opposed to silver extracted from ore.
この鉱山では自然銀が産出される。
Native silver is mined from this mine.
General term for silver as a metal or element, not specifying whether it is native or refined.
Compound of 自然 (しぜん, 'natural') and 銀 (ぎん, 'silver'), directly translating to 'natural silver'.