វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Amphibole
ENGLISH MEANING
noun
1.
A
common
mineral
embracing
many
varieties
varying
in
color
and in
composition
. It
occurs
in
monoclinic
crystals
;
also
massive
,
generally
with
fibrous
or
columnar
structure
. The
color
varies
from
white
to
gray
,
green
,
brown
, and
black
. It is a
silicate
of
magnesium
and
calcium
, with
usually
aluminium
and
iron
.
Some
common
varieties
are
tremolite
,
actinolite
,
asbestus
,
edenite
,
hornblende
(the
last
name
being
also
used
as a
general
term
for the
whole
species
). Amphibole is a
constituent
of
many
crystalline
rocks
, as
syenite
,
diorite
,
most
varieties
of
trachyte
,
etc
.