Stromeyerite
CuAgS [CNMNC approved formula]
Named after Friedrich Stromeyer (1776-1835), German mineralogiist and chemist,.
| IMA status : | Valid species (Pre-IMA 1832) Grandfathered |
| CLASSIFICATION | |
| Dana (8th edition) : |
02.04.06.01 |
| (02) Sulfides - Including Selenides and Tellurides | |
| (02.04) where Am Bn Xp, with (m+n):p=2:1 | |
| (02.04.06) Stromeyerite Group | |
| Nickel-Strunz (10th edition) : |
02.BA.25a |
| (02) Sulfides | |
| (02.B) Metal Sulfides, M:S > 1:1 (mainly 2:1) | |
| (02.BA) With Cu, Ag, Au | |
| Crystal system: | Orthorhombic System |
| Point group (H-M): | mmm (or 2/m 2/m 2/m) — dipyramidal |