Explore Mineral
| Name: | Ajoite Aj |
| Specimens in Collection: |  #658: Ajoite / Quartz Messina Mine, South Africa  #659: Ajoite / Quartz Messina Mine, South Africa |
| IMA Chemistry: | K3Cu2+20Al3Si29O76(OH)16·8H2O |
| Chemistry Elements: | The mineral Ajoite contains elements: Potassium (K) Copper (Cu) Aluminum (Al) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | USA |
| Year First Published: | 1958 |
| IMA Status: | Approved |
| Status Notes: | Schaller W T, Vlisidis A C, (1958) Ajoite, a new hydrous aluminum copper silicate, American Mineralogist 43, 1107-1111 Chemical formula revised: Chao G Y (1981) Ajoite: new data, American Mineralogist 66, 201-203 Chemical formula revised again: Pluth J J, Smith J V (2002) Arizona porphyry copper/hydrothermal deposits II: Crystal structure of ajoite, (K+Na)3Cu20Al3Si29O7(OH)16·~8H2O, Proceedings of the National Academy of Sciences 99, 11002-11005 |
| Structural Group Name: | Ajoite |
| Fleischer's Group Name: | |
| Crystal Systems: | triclinic |
| Oldest Known Age: | 372 Million Years Ago |
| Mohs Hardness: | 2.0 |
| Diaphaneity: | 2.0 |
| Specific Gravity: | 2.96 |
| More Info: | Search Wikipedia: Ajoite (Wiki) Search Mindat: Ajoite Search Web Mineral DB: Ajoite |
Data appearing on this page is derived from the IMA Database of Mineral Properties. Not all properties are applicable to or available for all minerals.