វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Pyroxene
ENGLISH MEANING
noun
1.
A
common
mineral
occurring
in
monoclinic
crystals
, with a
prismatic
angle
of
nearly
90, and
also
in
massive
forms
which
are
often
laminated
. It
varies
in
color
from
white
to
dark
green
and
black
, and
includes
many
varieties
differing
in
color
and
composition
, as
diopside
,
malacolite
,
salite
,
coccolite
,
augite
,
etc
. They are all
silicates
of
lime
and
magnesia
with
sometimes
alumina
and
iron
. Pyroxene is an
essential
constituent
of
many
rocks
,
especially
basic
igneous
rocks
, as
basalt
,
gabbro
,
etc
.