IMA mineral species
Talc
Hydrous magnesium phyllosilicate mineral.
Properties
⛏ Mohs hardness1
💅🪙🍶🔪💎
Scratches with a fingernail.
⚖ Density2.7 – 2.8 g/cm³
Average
🔷 Hexagonal✏️ streak white
| Chemical formula | — |
|---|---|
| Elements | — |
| Crystal system | Hexagonal |
| Mohs hardness | 1 |
| Density | 2.7 – 2.8 g/cm³ |
| Streak | white |
| Color | — |
| IMA symbol | Tlc |
| Nickel–Strunz class | 9.EC.05 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Care & Handling
- 🪶 Soft, Scratches Easily Mohs 1: softer than a steel knife, so it scratches easily. Store it apart from harder stones.
Varieties & related stones
Learn more
- Talc on Mindat.org
- Wikipedia article
- Wikidata item Q134583 (source of this page's data – you can correct it there)
IMA mineral species
1–2
Hexagonal
GreenBrownGrayWhite & Clear
Soft, Scratches Easily