IMA mineral species
Quintinite
Mg₄Al₂(OH)₁₂(CO₃)·3H₂O
Carbonate mineral.
Properties
⛏ Mohs hardness2
💅🪙🍶🔪💎
Scratches with a fingernail.
🔷 Hexagonal✏️ streak white
| Chemical formula | Mg₄Al₂(OH)₁₂(CO₃)·3H₂O |
|---|---|
| Elements | Mg, Al, O, H, C |
| Crystal system | Hexagonal |
| Mohs hardness | 2 |
| Density | — |
| Streak | white |
| Color | — |
| IMA symbol | Qtn |
| Nickel–Strunz class | 5.DA.40 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 2: softer than a steel knife, so it scratches easily. Store it apart from harder stones.
🌍 Where it's found
Type locality (where it was first described): Jacupiranga mine, Brazil · Poudrette quarry, Canada
- 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
- Quintinite on Mindat.org
- Wikipedia article
- Wikidata item Q3927919 (source of this page's data – you can correct it there)
IMA mineral species
2–3
Hexagonal
RedOrangeBrownWhite & Clear
Soft, Scratches Easily