Properties
⛏ Mohs hardness6.5
💅🪙🍶🔪💎
Scratches glass; quartz scratches it.
⚖ Density2.689 g/cm³
Average
🔷 Trigonal✏️ streak white
| Chemical formula | LiAlSiO₄ |
|---|---|
| Elements | Li, Al, Si, O |
| Crystal system | Trigonal |
| Mohs hardness | 6.5 |
| Density | 2.689 g/cm³ |
| Streak | white |
| Color | — |
| IMA symbol | Ecp |
| Nickel–Strunz class | 9.AA.05 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Fillow quarry, 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
- Eucryptite on Mindat.org
- Wikipedia article
- Wikidata item Q1077131 (source of this page's data – you can correct it there)
IMA mineral species
6–7
Trigonal
BrownWhite & Clear