can someone help me? you are given a sample of an unknown mineral. you determine that the mineral's streak is whte and its specific gravity is 2.8. is the mineral most likely to be a metallic mineral or a nonmetallic mineral?
quartz is a number 7 on the mohs hardness scale. Apatite is a number 5. a student has a mineral sample that scratches apatite, but quartz scratches the sample. What is the minerals most likely hardness 2 10 6 answer 2