-
The
rocks
in
the
ground
are
formed
by
one
or
more
____________________
-
We
classify
minerals
by
colour
,
shine
,
texture
and
____________________
-
They
have
different
____________________
.
For
construction
we
use
____________________
-
We
can
make
____________________
with
pyrite
.
With
gold
we
make
____________________
