Transparency
is the degree to which light passes through a material so that objects
are visible through it To view
in this section the 5 Grade. .
|
|
|
Transparency
is the degree to which light passes through a material so that objects
are visible through it To view
in this section the 5 Grade. . |
|
NR.
|
Term
|
Detail
|
|
1.
|
Transparent
|
Objects
can be seen clear through the stone.
|
|
2.
|
Semitransparent
|
Objects
cannot be seen clear, look blurry through the stone.
|
|
3.
|
Translucent
|
Objects
are difficult to see through the stone, it is like a shadow image.
|
|
4.
|
Semi-Translucent
|
Only
a small fraction of light, near the edges is able to pass through the
stone.
|
|
5.
|
Opaque
|
No light can pass through the stone. All light reflects
from the surface cannot enter the stone.
|
|
NR.
|
Grade
|
Material
|
Price
range
|
|
To
1
|
Transparent
|
Gem
quality, Upper commercial and commercial grade
|
Top
to medium
|
|
To
2
|
Semitransparent
|
Medium
to lower grade (with some exemption Jade, top quality cabochons, must
have good color to).
|
Medium
|
|
To
3
|
Translucent
|
Cabochon
material, milky gems, heavy included gem material, to much saturated
material
|
Medium
to lower
|
|
To
4
|
Semi-Translucent
|
Some
rocks, some Cabochon, most black and some black-blue gemstones.
|
Lower
|
|
To
5
|
Opaque
|
Most
rocks, Malachite, Lapis Lazuli, Agate, some black gemstones.
|
Lower
to lowest
|
|
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