Properties
⛏ Mohs hardness7.5
💅🪙🍶🔪💎
Harder than quartz: scratches glass and steel.
| Chemical formula | Mn²⁺Al₂O₄ |
|---|---|
| Elements | Mn, Al, O |
| Crystal system | Cubic |
| Mohs hardness | 7.5 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Glx |
| Nickel–Strunz class | 4.BB.05 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Bald Knob deposit, 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
- Galaxite on Mindat.org
- Wikipedia article
- Wikidata item Q414877 (source of this page's data – you can correct it there)
IMA mineral species
7–8
Cubic
RedYellowBrownBlack