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Davidite
Davidite
is a
rare earth
oxide mineral
with
chemical
end members
La
and
Ce
. It
exists
in two forms:
Davidite-
20
O
38
discovered
at
Radium Hill
mine
,
South Australia
in
1906
and named by
Douglas Mawson
for
Australian
geologist
Tannatt William Edgeworth David
.
Davidite-
20
O
38
first described in
1960
from
Vemork
,
Iveland
,
Norway
.