IMA mineral species
Fengchengite
Na₁₂☐₃(Ca,Sr)₆Fe³⁺₃Zr₃Si(Si₂₅O₇₃)(H₂O,OH)₃(OH,Cl)₂
Cyclosilicate mineral.
Properties
| Chemical formula | Na₁₂☐₃(Ca,Sr)₆Fe³⁺₃Zr₃Si(Si₂₅O₇₃)(H₂O,OH)₃(OH,Cl)₂ |
|---|---|
| Elements | Na, Ca, Sr, Fe, Zr, Si, O, H, Cl |
| Crystal system | Trigonal |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Fcg |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Fengcheng, People's Republic of China
- 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
- Fengchengite on Mindat.org
- Wikipedia article
- Wikidata item Q19833622 (source of this page's data – you can correct it there)
IMA mineral species
Trigonal