Fineness is a measure of the purity of a precious metal such as gold. Three 9s or, 999 shows the relative purity of gold. Here, there would be an, 001 part of impurity for the specimen.
Barry Goldsmith
| APA | Barry Goldsmith. (2010). fineness. Retrieved September 22, 2026, from http://smartdefine.org/fineness/definitions/1154023 |
| Chicago | Barry Goldsmith. 2010. "fineness" http://smartdefine.org/fineness/definitions/1154023 (accessed September 22, 2026). |
| Harvard | Barry Goldsmith 2010, fineness, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/fineness/definitions/1154023>. |
| MLA | Barry Goldsmith. "fineness" 21 October 2010. Web. 22 September 2026. <http://smartdefine.org/fineness/definitions/1154023> |