Gaudefroyite
Ca4Mn3+3(BO3)3(CO3)(O,OH)3 [CNMNC approved formula]
Named for Abbe Christophe Gaudefroy (1888-1971), French mineralogist who worked in Morocco.
| IMA status : | Approved Species 1964 () |
| CLASSIFICATION | |
| Dana (8th edition) : |
27.01.02.01 |
| (27) Compound Borates | |
| (27.01) | |
| (27.01.02) | |
| Nickel-Strunz (10th edition) : |
06.AB.60 |
| (06) Borates | |
| (06.A) Monoborates | |
| (06.AB) BO3, without additional anions; 1(D) + OH, etc. | |
| Crystal system: | Hexagonal System |
| Point group (H-M): | 6 — pyramidal |