# acanthite

CEFR C2 · Noun

Source: https://englishreference.com/word/acanthite
Updated: 2026-05-26

## Definition

a type of silver ore that is usually found in dark, shiny, or white colors. It is a natural form of silver sulfide.

For teachers: a natural mineral form of silver sulfide, typically appearing as dark gray to black, metallic, or white. It is a primary ore of silver and is often found in hydrothermal veins.

## Examples

- The miners found a large deposit of acanthite in the mountain.
- Geologists identified the dark, metallic mineral as acanthite, which is a common source of silver in the region.
- The presence of acanthite in the geological strata indicates a history of high-temperature hydrothermal activity that deposited silver sulfides in the surrounding rock formations.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.