វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Basanite
ENGLISH MEANING
noun
1.
Lydian
stone
, or
black
jasper
, a
variety
of
siliceous
or
flinty
slate
, of a
grayish
or
bluish
black
color
. It is
employed
to
test
the
purity
of
gold
, the
amount
of
alloy
being
indicated
by the
color
left
on the
stone
when
rubbed
by the
metal
.