A geologist is examining a new sample of rock. She is trying to categorize it based on its physical properties. Which of the following characteristics cannot be identified based on her basic visual and tactile assessment?

Question

haleigh041 · Answer

can you provide the characteristics?

Mercury · Answer

choices:
melting temperature
color
striations
texture

only one of these is not observable just by looking or touching. it would require special equipment to determine.

to narrow it down, consider melting temperature vs. striations