| Name: | Montgomeryite Mgm |
| IMA Chemistry: | Ca4MgAl4(PO4)6(OH)4·12H2O |
| Chemistry Elements: | The mineral Montgomeryite contains elements: Calcium (Ca) Magnesium (Mg) Aluminum (Al) Phosphorus (P) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | USA |
| Year First Published: | 1940 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Larsen E S (1940) Overite and montgomeryite: two new mineral from Fairfield, Utah, American Mineralogist 25, 315-326 Chemical formula revised from Ca_4_Al_5_(PO_4_)_6_(OH)_5_·11H_2_O to Ca_4_Al_4_(PO_4_)_3_(OH)·7H_2_O: Mead C W, Mrose M E (1968) Solving problems in phosphate mineralogy with the electron probe. U.S. Geological Survey Professional Paper 600-D, D204-D206 |
| Structural Group Name: | Calcioferrite |
| Fleischer's Group Name: | calcioferrite |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 2970 Million Years Ago |
| More Info: | Search Wikipedia: Montgomeryite (Wiki) Search Mindat: Montgomeryite Search Web Mineral DB: Montgomeryite |