Cinnabar CINNABARIS
[Source] This product aromatic sulfide mineral cinnabar cinnabar, mainly containing mercury sulfide (HgS)
.
After excavation, the pure ones are washed, magnets are used to absorb iron-containing impurities, and then rubble and sand are washed away with water
.
[Properties] This product is a granular or massive aggregate, in the form of granules or flakes
.
Bright red or dark red, streak red to brown red, shiny
.
Weight and texture are fragile, flakes are easily broken, and powders have a shimmering luster
.
Slightly odorless (Figure 18-6B, C)
.
【Character identification characteristics】
(1) It is in the form of granules or flakes
.
(2) Bright red or dark red
.
(3) Weight, crispness, and easy to break
.
(4) Those in powder form have a shimmering luster
.
Figure 18-6 Dragon's Blood, Cinnabar
A.
Dragon's Blood B.
Cinnabar C.
Cinnabar
Pearl MARGARITA
[Source] This product is a pearl formed by stimulation of bivalves such as Pteria martensii (Dunker), Hyriopsis cumingii (Lea) or Cristaria plicata (Leach)
.
Automatically take out the object, wash and dry
.
[Properties] This product is spherical, oblong, oval or rod-shaped, with a diameter of 1.
5-8mm
.
The surface is white, light pink, light yellow-green or light blue, translucent, smooth or slightly bumpy, and has a unique color luster
.
The quality is hard, and the broken surface shows stratification (Figure 18-7A~D)
.
Smell, taste is weak
.
【Character identification characteristics】
(1) It is quasi-spherical, oblong, oval or rod-shaped
.
(2) The diameter is 1.
5~8mm
.
(3) The surface is white, light pink, light yellow green or light blue, translucent
.
(4) It has a unique color luster
.
(5) The broken surface shows layer lines
.
Figure 18-7 Pearl
A.
Pearl B.
Powder polarization C.
Fragment layer pattern D.
Powder microscopy