The chemical formula for Cacoxenite is Fe3+24Al(PO4)17O6(OH)12·17(H2O).
Cacoxenite is a fascinating mineral known for its distinctive appearance and complex chemical composition. It is specifically identified as an iron aluminium phosphate mineral.
Understanding Cacoxenite's Formula
The detailed formula of Cacoxenite reflects its intricate structure, combining various elements and polyatomic ions:
| Component | Quantity | Description |
|---|---|---|
| Fe3+ | 24 | Ferric iron ions, indicating iron in a +3 oxidation state. |
| Al | 1 | Aluminium atom. |
| (PO4) | 17 | Phosphate groups, which are common in many mineral structures. |
| O | 6 | Oxygen atoms. |
| (OH) | 12 | Hydroxyl groups. |
| (H2O) | 17 | Water molecules, indicating it is a hydrated mineral. |
This precise combination of elements makes Cacoxenite a unique member of the phosphate mineral family.
Characteristics and Associations
Cacoxenite is often found in association with iron ores, which aligns with its primary elemental composition featuring a significant amount of iron. Its presence can sometimes indicate specific geological conditions and mineral-forming environments. As a mineral, Cacoxenite typically forms as radiating tufts or fibrous inclusions within other minerals, particularly quartz, where it can create beautiful golden-yellow or brownish-yellow needle-like inclusions.
Understanding mineral formulas like that of Cacoxenite is crucial for:
- Mineral Identification: Distinguishing it from other minerals with similar appearances.
- Geochemical Studies: Analyzing the conditions under which it forms.
- Material Science: Exploring potential uses based on its elemental makeup.
