Properties
| Chemical formula | BaCuSi₄O₁₀ |
|---|---|
| Elements | Ba, Cu, Si, O |
| Crystal system | Tetragonal |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Efb |
| Nickel–Strunz class | 9.EA.05 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Wessels mine, South Africa
- 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
- Effenbergerite on Mindat.org
- Wikipedia article
- Wikidata item Q1296101 (source of this page's data – you can correct it there)
IMA mineral species
Tetragonal
Blue