IMA mineral species
Arrojadite-(KFe)
{KNa}{Fe²⁺☐}{Ca}{Na₂☐}{Fe²⁺₁₃}{Al}(PO₄)₁₁(HPO₄)(OH)₂
Phosphate mineral.
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Properties
| Chemical formula | {KNa}{Fe²⁺☐}{Ca}{Na₂☐}{Fe²⁺₁₃}{Al}(PO₄)₁₁(HPO₄)(OH)₂ |
|---|---|
| Elements | K, Na, Fe, Ca, Al, P, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Ajd-KFe |
| Nickel–Strunz class | 8.BF.05 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Keystone, United States · Serra Branca pegmatite, Brazil
- Type locality
- Notable source / deposit
- Country of origin
Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.
Learn more
- Arrojadite-(KFe) on Mindat.org
- Wikidata item Q3623861 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic