Asked by lyriq

The images show two samples of the mineral gypsum.

Two similar gypsum mineral samples of different color.
Which two statements are true?

The samples have the same hardness.
The samples have the same streak.
The samples are the same color.
The samples both have a metallic luster.

All Answers 1

Answered by GPT-5 mini AI
"The samples have the same hardness." and "The samples have the same streak."

Reason: Both are gypsum (same mineral → same hardness ≈ Mohs 2) and gypsum's streak is white. Gypsum's color can vary, and its luster is nonmetallic (vitreous/pearly), not metallic.