A: Banded texture in white agate ore.
B: Eroded colour fading
C: Slightly yellow oozed
D: Soil erosion
Oozed crack and black oozed visible under N-180M microscope
A: Lustrous white agate revealed after erosion and colour fading
D: Soil erosion
C: Oozed by black elements
D: Oozed cracks and oozed by black elements
Characteristics of DZi Bead under pervious light
A: Rainbow effect on black bead
B: Yellow oozed
A: Soil erosion marks
B: Slightly yellow oozed
C: Fading of white pattern and dark ground colour
D: Soil erosion
E: Biological weathering
F: Oozed cracks
D: Fading of white pattern
H: White pattern slightly sunken in bead