Talc: hardness, streak, luster and crystal system
The properties that identify Talc: its Mohs hardness, luster, streak colour and crystal system.
| Mineral | Mohs hardness | Luster | Streak | Crystal system |
|---|---|---|---|---|
| Talc | 1 (defining mineral) | Waxy or pearly | Monoclinic or triclinic |
Common questions
- How hard is Talc on the Mohs scale?
- 1 (defining mineral).
- What luster does Talc have?
- Waxy or pearly.
- What crystal system does Talc have?
- Monoclinic or triclinic.