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Click Here For Best Selection Of High Quality Polarizing Microscope

Click Here For Best Selection Of High Quality Polarizing Microscope

There are several other additional equipments for petrographic polarizing microscopes. Among these are the mechanical stage, the spindle stage, and the universal stage.

The one that is mounted on the stage of the microscope and grasps a slide so that the slide can be moved in a systematic way is called a mechanical stage. This equipment is most commonly employed when the observer desires to determine the abundance of the different minerals in a rock thin section.

A spindle stage on the other hand is consists of a fine wire spindle on which a single mineral gain in cemented. The spindle is usually mounted on a base plate for it to pivot around a horizontal axis while holding a grain immersed in oil between a glass window and a cove slip.

The apparatus that allows a thin section to be rotated about several axes so that selected mineral grains can be precisely oriented in the optical path is called a universal stage.



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Wednesday, February 20th, 2008 at 3:35 am
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Click Here For Best Selection Of High Quality Polarizing Microscope