Pyrites
Definition of Pyrites
Py`ri´tes
n.
1.
(Min.)
A
name
given
to
a
number
of
metallic
minerals
,
sulphides
of
iron
,
copper
,
cobalt
,
nickel
,
and
tin
,
of
a
white
or
yellowish
color
.
Arsenical pyrites
arsenopyrite
.
Auriferous pyrites
See
under
Auriferous
.
Capillary pyrites
millerite
.
Common pyrites
isometric
iron
disulphide
;
pyrite
.
Hair pyrites
millerite
.
Iron pyrites
See
Pyrite
.
Magnetic pyrites
pyrrhotite
.
Tin pyrites
stannite
.
White iron pyrites
orthorhombic
iron
disulphide
;
marcasite
.
This
includes
cockscomb
pyrites
(
a
variety
of
marcasite
,
named
in
allusion
to
its
form
),
spear
pyrites
,
etc
.
Yellow pyrites
the
sulphide
of
copper
and
iron
;
chalcopyrite
.
Related Words
sulfide
,
sulphide
Word:
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