| Name: | Halloysite-7Å |
| IMA Chemistry: | Al2Si2O5(OH)4 |
| Chemistry Elements: | The mineral Halloysite-7Å contains elements: Aluminum (Al) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | Belgium |
| Year First Published: | 1826 |
| IMA Status: | Grandfathered|Approved |
| Status Notes: | Originally named halloysite: Berthier P (1826) Analyse de l'halloysite, Annales de Chimie et de Physique 32, 332-334 Name changed to halloysite-7Å: Bailey S W (1980) Summary of recommendations of the AIPEA nomenclature committee, The Canadian Mineralogist 18, 143-150 |
| Structural Group Name: | Kaolinite |
| Fleischer's Group Name: | kaolinite-serpentine-kaolinite subgroup |
| Crystal Systems: | monoclinic |
| Oldest Known Age: | 460 Million Years Ago |
| More Info: | Search Wikipedia: Halloysite-7Å (Wiki) Search Mindat: Halloysite-7Å Search Web Mineral DB: Halloysite-7Å |