IMA mineral species
Allophane
Al₂O₃(SiO₂)₁.₃-₂.₀·2.5-3.0H₂O
Phyllosilicate mineral or mineraloid.
Properties
| Chemical formula | Al₂O₃(SiO₂)₁.₃-₂.₀·2.5-3.0H₂O |
|---|---|
| Elements | Al, O, Si, H |
| Crystal system | — |
| Mohs hardness | 3 |
| Density | — |
| Streak | white |
| Color | — |
| IMA symbol | Alp |
| Nickel–Strunz class | 9.ED.20 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Learn more
- Allophane on Mindat.org
- Wikipedia article
- Wikidata item Q429712 (source of this page's data – you can correct it there)
IMA mineral species
3–4
YellowGreenBlueBrownWhite & Clear