crystals- In the crystal growth lab, our class learn how to grow
crystals. Also, we learn about mineral. We identify different type of
mineral. Some mineral is
metallic and some mineral is
non
metallic. Each rock have their own hardness.
Hardness is how
hard is a rock. And some mineral break evenly and some mineral break
evenly. We call these
cleavage and
fracture. Anyway, we
learn a lot about mineral in the crystal growth lab.
Vocab-
Luster-
metallic- mineral that look like metal.
nonmetallic-mineral that don't look like metal.
Color- what you see
outside the mineral.
Streak- scratch the mineral on the streak plate.
Hardness- how hard is a mineral.
Cleavage- mineral that break evenly.
Fracture- mineral that break unevenly.
Mineral identification-1.
metamorphic rock
color-white
fracture
type-foliated
Luster-non mictallic
2.
sedimentary rock
color-grey
fracture
type-clastic
Luster-non mictallic
These are rocks, not minerals.
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