Properties
⛏ Mohs hardness4.5
💅🪙🍶🔪💎
A steel knife scratches it, it won't scratch glass.
| Chemical formula | K₅Ca₂(Si₂₃Al₉)O₆₄·24H₂O |
|---|---|
| Elements | K, Ca, Si, Al, O, H |
| Crystal system | Orthorhombic |
| Mohs hardness | 4.5 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Mrl |
| Nickel–Strunz class | 9.GC.15 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 4.5: softer than a steel knife, so it scratches easily. Store it apart from harder stones.
Learn more
- Merlinoite on Mindat.org
- Wikidata item Q3855189 (source of this page's data – you can correct it there)
IMA mineral species
4–5
Orthorhombic
Soft, Scratches Easily