Figure1.16-1For the visible field, the deep gray in the cracks is plastic silicate mixed with the murky, and the second layer is lighter with iron oxide.
Figure1.16-2For the dark field of view, silicate is transparent, iron oxides are dark, and cracks and gaps are transparent.

Figure1.15-1 The Cracks Show Figure 1.15-2The Cracked Dark Field
The following are the products that will be used for gold phase:
1. FY-QG-65, a Fuyunkin co-moder, cut the sample gold and cut down a small piece, horizontal or vertical, as required by the sample, to facilitate mosaicing.

II. Kim Co-simworks:
Fuyun materials gold-specific sandpaper: 230mm diameter without glue 600# 1200# 2500#

III. LEAVE THE FIELDS OF THE KING PHOTOS:
Fuyun materials gold-phased photo fabric: 230 mm in diameter velvet/splendon
Fuyun materials, Fresco-Frestilt Spraying: 1/3 micrometre
Fuyun machine: manual in no-extreme-speed grinder
Pressure: Fixed, neutral, stable, without too much pressure.
Time: 2-5 minutes, whichever is the same, the scratches of the thin sandpaper are almost removed.
Rotation speed: 200 turns
Raarboard direction: Clockwise
During polishing: The polished rags need to be immersed early, the polished fluid is down in the centre position and handwashing is added to its lubrication.
Pour: A little bright, no scratches, and can move on.
During polishing: The polished rags need to be immersed early, the polished fluid is down in the centre position and handwashing is added to its lubrication. 
Pouring: The brightness is very high.
Corrosion observation:
Fuyun gold microscope (magnification multiple: 50X, 100X, 200X, 500X, 1,000X) 
The following are used for corrosive reagents:

