Gysinite-(Nd)
PbNd(CO3)2(OH) • H2O [CNMNC approved formula]
Named for Marcel Gysin (1891-1974), Professor of Mineralogy, University of Geneva, Geneva, Switzerland.
| IMA status : | Approved Species 1985 () |
| CLASSIFICATION | |
| Dana (8th edition) : |
16b.01.01.04 |
| (16b) Carbonates - Hydroxyl or Halogen | |
| (16b.01) where (A)m (B)n (XO3)p Zq, with (m+n):p=1:1 | |
| (16b.01.01) Ancylite group | |
| Crystal system: | Orthorhombic System |
| Point group (H-M): | mmm (or 2/m 2/m 2/m) — dipyramidal |