Properties
⛏ Mohs hardness5
💅🪙🍶🔪💎
A steel knife scratches it, it won't scratch glass.
| Chemical formula | Ca(Al₂Si₃)O₁₀·(5-6)H₂O |
|---|---|
| Elements | Ca, Al, Si, O, H |
| Crystal system | Orthorhombic |
| Mohs hardness | 5 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Cow |
| Nickel–Strunz class | 9.GG.05 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Neer road, United States
- 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
- Cowlesite on Mindat.org
- Wikipedia article
- Wikidata item Q3696364 (source of this page's data – you can correct it there)
IMA mineral species
5–6
Orthorhombic
White & Clear