វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Tourmaline
ENGLISH MEANING
noun
1.
A
mineral
occurring
usually
in
three-sided
or
six-sided
prisms
terminated
by
rhombohedral
or
scalenohedral
planes
.
Black
tourmaline (
schorl
) is the
most
common
variety
,
but
there
are
also
other
varieties
, as the
blue
(
indicolite
),
red
(
rubellite
),
also
green
,
brown
, and
white
. The
red
and
green
varieties
when
transparent
are
valued
as
jewels
.