| Name: | Bredigite Bdi |
| IMA Chemistry: | Ca7Mg(SiO4)4 |
| Chemistry Elements: | The mineral Bredigite contains elements: Calcium (Ca) Magnesium (Mg) Silicon (Si) Oxygen (O) |
| Country of Type Locality: | United Kingdom |
| Year First Published: | 1948 |
| IMA Status: | Approved,Grandfathered |
| Status Notes: | Tilley C E, Vincent H C G (1948) The occurrence of an orthorhombic high-temperature form of Ca2SiO4 (bredigite) in the Scawt Hill contact-zone and as a constituent of slags, Mineralogical Magazine 28, 255-271 Chemical formula changed from Ca_2_SiO_4_ to (Ca,Ba)Ca_13_Mg_2_(SiO_4_)_8_: Moore P B, Araki T (1976) The crystal structure of bredigite and the genealogy of some alkaline earth orthosilicates, American Mineralogist 61, 74-87 Chemical formula changed from (Ca,Ba)Ca_13_Mg_2_(SiO_4_)_8_ to Ca_7_Mg(SiO_4_)_4_: Miyawaki R, Hatert F, Pasero M, Mills S J (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 50. New minerals and nomenclature modifications approved in 2019. Mineralogical Magazine 83, 615-620 |
| Structural Group Name: | |
| Fleischer's Group Name: | |
| Crystal Systems: | orthorhombic |
| Oldest Known Age: | 354 Million Years Ago |
| More Info: | Search Wikipedia: Bredigite (Wiki) Search Mindat: Bredigite Search Web Mineral DB: Bredigite |