Question
Use table to answer question.
MINERAL/ HARDNESS
Obsidian. 5
Halite. 2.5
Flourite. 4
CLEAVAGE/FRACTURE /LUSTER
Fracture. Vitreous
Cubic cleavage. Vitreous
Pctohedral. Vitreous
An unknown mineral specimen is not scratched by a penny and does not exhibit cleavage. This mineral is most likely to be:
a. obsidian
b. halite
c. fluorite
MINERAL/ HARDNESS
Obsidian. 5
Halite. 2.5
Flourite. 4
CLEAVAGE/FRACTURE /LUSTER
Fracture. Vitreous
Cubic cleavage. Vitreous
Pctohedral. Vitreous
An unknown mineral specimen is not scratched by a penny and does not exhibit cleavage. This mineral is most likely to be:
a. obsidian
b. halite
c. fluorite
Answers
GPT 3.5
Based on the information provided, the unknown mineral specimen is most likely to be obsidian since it is the only mineral listed that has a hardness of 5 and does not exhibit cleavage.