Most Desirable
1. Intense Color.
2. Even Color.
3. Honey-like 
    Transparency.
4. Translucency.
5. Watery Luster.
6. Smooth Finish.
7. Even Texture.
8. Pure.
9. Vivid root-like
    Structure.

Less Desirable
1. Dull Color.
2. Uneven Color.
3. Opacity.
4. Cloudy Appearance.
5. Dehydrated
    Appearance.
6.Surface Cracks.
7. Blotch Texture.
8. Mottled.
9. Dull root-like
    Structure.