IMA mineral species
Fluor-tsilaisite
NaMn²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃F
Tourmaline mineral.
Properties
⛏ Mohs hardness7
💅🪙🍶🔪💎
Harder than quartz: scratches glass and steel.
| Chemical formula | NaMn²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃F |
|---|---|
| Elements | Na, Mn, Al, Si, O, B, H, F |
| Crystal system | Trigonal |
| Mohs hardness | 7 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Ftl |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): San Piero in Campo, Italy
- 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
- Fluor-tsilaisite on Mindat.org
- Wikidata item Q19833683 (source of this page's data – you can correct it there)
IMA mineral species
7–8
Trigonal