Mineral Chart Hardness
Streak
Density
(g/cm)
2.4
Mineral
Name
Composition
brucite Mg(OH),
camalite KMgCl-6H, O
dolomite CaMg(CO).
magnesite MgCo,
olivine (Fe, Mg), SIO
white
white
1.6
Nonmetallic
Luster
glassy to waxy
greasy
glassy to waxy
glassy
glassy
2.5-3
2.5
35-4
3.5-4.5
6.5
Common
Colors
white
white
shades of pink
white
green
2.8
3.1
33
white
white
white
Which mineral might scratch the mineral fluorite, but would not scratch the mineral amphibole?
1
brucite
2
magnesite
3
carnallite
olivine