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Two samples of
sublimed
-
dendritic
scandium
and an
argon arc remelted
1 cm
3
cube sample for comparison. Scandium is a silvery-white
transition metal
that is used to make
aluminium
alloys. Although it is
common in the Earth's crust
, it is distributed sparsely and occurs only in trace amounts in many minerals.
Photo:
Alchemist-hp
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