What mineral is this?
graphite
What mineral is this?
sulfur
What mineral is this?
copper
What mineral is this?
quartz
What mineral is this?
hematite
What mineral is this?
gypsum
What rock is this? (igneous, sedimentary or metamorphic)
igenous
What rock is this? (igneous, sedimentary or metamorphic)
sedimentary rock
What rock is this? (igneous, sedimentary or metamorphic)
metamorphic
