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| Name: | Afghanite Afg |
| Specimens in Collection: |  #69: Afghanite Sar-e-Sang, Badakhshan, Afghanistan |
| IMA Chemistry: | (Na,K)22Ca10(Si24Al24)O96(SO4)6Cl6 |
| Chemistry Elements: | The mineral Afghanite contains elements: Sodium (Na) Potassium (K) Calcium (Ca) Silicon (Si) Aluminum (Al) Oxygen (O) Sulfur (S) Chlorine (Cl) |
| Country of Type Locality: | Afghanistan |
| Year First Published: | 1967 |
| IMA Status: | Approved |
| Status Notes: | Bariand P, Cesbron F, Giraud R (1968) Une nonvelle espece minerale: L’afghanite de Sar–e–Sang, Badakhshan, Afghanistan–Comparaison avec les mineraux du groupe de la cancrinite, Bulletin de la Société Française de Minéralogie et de Cristallographie 91, 34-42 Chemical formula revised: Ballirano P, Bonaccorsi E, Maras A, Merlino S (1997) Crystal structure of afghanite, the eight-layer member of the cancrinite-group: evidence for long-range Si,Al ordering, European Journal of Mineralogy 9, 21-30 |
| Structural Group Name: | Cancrinite-sodalite |
| Fleischer's Group Name: | cancrinite-sodalite |
| Crystal Systems: | hexagonal |
| Oldest Known Age: | 1600 Million Years Ago |
| Mohs Hardness: | 3.5 |
| Diaphaneity: | 3.0 |
| Specific Gravity: | 2.6 |
| More Info: | Search Wikipedia: Afghanite (Wiki) Search Mindat: Afghanite Search Web Mineral DB: Afghanite |
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.