IMA mineral species
Londonite
CsBe₅Al₄B₁₁O₂₈
Borate mineral.
Properties
| Chemical formula | CsBe₅Al₄B₁₁O₂₈ |
|---|---|
| Elements | Cs, Be, Al, B, O |
| Crystal system | Cubic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Ldn |
| Nickel–Strunz class | 6.GC.05 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Antandrokomby pegmatite, Madagascar
Learn more
- Londonite on Mindat.org
- Wikidata item Q3836589 (source of this page's data – you can correct it there)
IMA mineral species
Cubic