| Name: | Riebeckite Rbk |
| Specimens in Collection: |  #1209: Riebeckite var. Crocidolite Transvaal Supergroup, Griqualand, Northern Cape, South Africa |
| IMA Chemistry: | [box]Na2(Fe2+3Fe3+2)Si8O22(OH)2 |
| Chemistry Elements: | The mineral Riebeckite contains elements: Sodium (Na) Iron (Fe) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Yemen |
| Year First Published: | 1888 |
| IMA Status: | Approved,Redefined |
| Status Notes: | Sauer A (1888) Ueber Riebeckit, ein neues Glied der Hornblendegruppe, sowie über Neubildung von Albit in granitischen Orthoklasen, Zeitschrift der Deutschen Geologischen Gesellschaft 40, 138-152 Redefined: Leake B E, Woolley A R, Arps C E S, Birch W D, Gilbert M C, Grice J D, Hawthorne F C, Kato A, Kisch H J, Krivovichev V G, Linthout K, Laird J, Mandarino J A, Maresch W V, Nickel E H, Rock N M S, Schumacher J C, Smith D C, Stephenson N C N, Ungaretti L, Whittaker E J W, Youzhi G (1997) Nomenclature of amphiboles: Report of the subcommittee on amphiboles of the International Mineralogical Association, commission on new minerals and mineral names, The Canadian Mineralogist 35, 219-246 |
| Structural Group Name: | Amphibole |
| Fleischer's Group Name: | amphibole-group 4 Na |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 3033 Million Years Ago |
| More Info: | Search Wikipedia: Riebeckite (Wiki) Search Mindat: Riebeckite Search Web Mineral DB: Riebeckite |