Question
Choose all the answers that apply.
Which of the following minerals can be scratched with a fingernail?
talc
topaz
quartz
diamond
Which of the following minerals can be scratched with a fingernail?
talc
topaz
quartz
diamond
Answers
GPT-4o mini
The minerals that can be scratched with a fingernail are:
- **talc**
Talc is the softest mineral on the Mohs scale and has a hardness of 1, making it easily scratchable with a fingernail. The other minerals listed—topaz, quartz, and diamond—are much harder and cannot be scratched with a fingernail.
- **talc**
Talc is the softest mineral on the Mohs scale and has a hardness of 1, making it easily scratchable with a fingernail. The other minerals listed—topaz, quartz, and diamond—are much harder and cannot be scratched with a fingernail.