On-line Dictionary
Erbium
Erbium
n.
A
rare
metallic
element
associated
with
several
other
rare
elements
in
the
mineral
gadolinite
from
Ytterby
in
Sweden
.
Symbol
Er.
Atomic
weight
165
.9.
Its
salts
are
rose
-
colored
and
give
characteristic
spectra
.
Its
sesquioxide
is
called
erbia
.
Erbium
n.
A
metallic
element
of
the
rare
earth
group
,
found
in
gadolinite
and
some
other
minerals
.
Symbol
, Er; at. wt.
167
.4.
Its
salts
are
rose
-
colored
and
give
characteristic
spectra
.
URL of this page:
http://www.kvadrata.net/erbium
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