Question

An unknown mineral specimen is not scratched by a penny and does not exhibit cleavage. The mineral is most likely to be:


obsidian

halite

fluorite

I think it's either obsidian or fluorite!

Answer 1

Fluorite has cleavage.
Halite has cleavage.
Obsidian is about 5.5 or so on the Mohs scale while a penny is about 3; therefore, a penny will not scratch obsidian.

Answer 2

thank you!

Answer 3

Can I have all the answers w explanations plz?!

Answer 4

or just do the work yourself smh

Answer 5

daammm "Help" i feel u tho :(