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Rock Thin Section Prepared Slides Microscope Mineral Stone Grinding Geography slides For studying and teaching

To see the rock under the Polarized light microscopy, it must first be “Thin”enough for light to penetrate the specimen, with a standard thickness of 30μm, or 0.003 cm. Because the speed of light passing through minerals varies with species, we can use th

Description

 A: Cutting

The fresh and unweathered rock samples collected in the field were first selected, and then the diamond saw blades were cut to the proper size of the glass slides. Since diamonds are by far the hardest material, the laboratory saw blades and grinding plates are coated with diamonds in order to cut rock samples of varying hardness.


B: Grounding

The cut specimen and the slide to be glued are ground respectively with # 600 ~ # 1000 silicon carbide powder to make the section plane of the rock sample smooth. Check whether the section is flat and smooth, the rock sample can face the light source, observe whether the reflection is good to judge.


C: Gluing

 

The finished sample is bonded to the ground glass with Epoxy Resin. Before gluing, the contact surface should be cleaned with alcohol, and no air bubbles between the sample and the glass should be formed during gluing, so as not to affect the adhesion strength during slicing.


D: Slicing
After the glue is hardened, the specimen is cut and ground into 100 ~ 150μm thickness by Petro-thin machine. Because the machine is too fast, it can not be ground into thin specimen.


E: Grounding

A micrometer was used to determine the thickness of the specimen. The specimen of 100 ~ 150μm thickness was fixed on the vacuum chuck by vacuum principle, and then ground directly on the Lapping plate to the standard thickness of 30μm.

Parameter

 
YOM010059
Garnet
YOM010060
Andalusite
YOM010061
Sillimanite
YOM010062
Kyanite
YOM010063
Cross stone
YOM010064
Epidote
YOM010065
tourmaline
YOM010066
pyroxene
YOM010067
Clinopyrite
YOM010068
Orthopyroxene
YOM010069
Tremolite
YOM010070
Amphibole
YOM010071
muscovite
YOM010072
Biotite
YOM010073
Talc; mica
YOM010074
Chlorite
YOM010075
Serpentine
YOM010076
Potassium plagioclase
YOM010077
Plagioclase
YOM010078
quartz
YOM010079
Nepheline
YOM010080
Leucite
YOM010081
Calcite
YOM010082
dolomite
YOM010083
fluorite

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