ERICAT 4 Pack Mohs Hardness Tester, 2-9 Scratch Tester Mohs Hardness Picks, Metals and Alloys, Long Service Life and Good Durability, for Industrial Mineral Identification Jewelry
| Country | USA |
| Manufacturer | Key West Press |
| Binding | Kindle Edition |
| ReleaseDate | 2025-07-28 |
| Format | Kindle eBook |