| Name: | Franconite Fra |
| IMA Chemistry: | NaNb2O5(OH)·3H2O |
| Chemistry Elements: | The mineral Franconite contains elements: Sodium (Na) Niobium (Nb) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Canada |
| Year First Published: | 1981 |
| IMA Status: | Approved |
| Status Notes: | Jambor J L, Sabina A P, Roberts A C, Bonardi M, Ramik R A, Sturman B D (1984) Franconite, a new hydrated Na-Nb oxide mineral from Montreal Island, Quebec, The Canadian Mineralogist 22, 239-243 Chemical formula revised from Na_2_Nb_4_O_11_·9H_2_O: Haring M M M, McDonald A M (2014) Franconite, NaNb_2_O_5_(OH)·3H_2_O: structure determination and the role of H bonging, with comments on the crystal chemistry of franconite-related minerals. Mineralogical Magazine 78, 591-607 |
| Structural Group Name: | |
| Fleischer's Group Name: | franconite |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 488.3 Million Years Ago |
| More Info: | Search Wikipedia: Franconite (Wiki) Search Mindat: Franconite Search Web Mineral DB: Franconite |