| Name: | Edgrewite Egr |
| IMA Chemistry: | Ca9(SiO4)4F2 |
| Chemistry Elements: | The mineral Edgrewite contains elements: Calcium (Ca) Silicon (Si) Oxygen (O) Fluorine (F) |
| Country of Type Locality: | Russia |
| Year First Published: | 2011 |
| IMA Status: | Approved |
| Status Notes: | Galuskin E V, Lazic B, Armbruster T, Galuskina I O, Pertsev N N, Gazeev V M, Włodyka R, Dulski M, Dzierżanowski P, Zadov A E, Dubrovinsky L S (2012) Edgrewite Ca9(SiO4)4F2 - hydroxyledgrewite Ca9(SiO4)4(OH)2, a new series of calcium humite-group minerals from altered xenoliths in the ignimbrite of Upper Chegem caldera, Northern Caucasus, Kabardino-Balkaria, Russia, American Mineralogist 97, 1998-2006 |
| Structural Group Name: | Humite |
| Fleischer's Group Name: | |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 3 Million Years Ago |
| More Info: | Search Wikipedia: Edgrewite (Wiki) Search Mindat: Edgrewite Search Web Mineral DB: Edgrewite |