The CPL arrangement of the microscope is withe analyzer in the "In" position. The optical properties that can be observed under th...

Becke line is a band of light seen along the mineral grain boundary under the PPL arrangement when the microscope is slightly out of focus. ...

Observing interference figures of minerals is done under the Conoscopic view of the petrological microscope. The conoscopic arrangement is s...

When double refraction is observed using a calcite crystal and when its rotated and tilted at one point the two images (the Ordinary image a...

Double refraction is the splitting of a single ray of light into two refracted rays when passing through an anisotropic mineral. All anisotr...

In the CPL arrangement of the petrological microscope , Isotropic minerals do not show any colour while anisotropic minerals show interferen...

Anisotropic minerals have a range of Refractive index values at different directions. Out of these values, the Maximum RI value and the mini...

The PPL arrangement of the Petrological microscope is with the Analyzer in the "out" position. The optical properties that can be ...

Thin sections of rocks are prepared in order to observe them in Petrological Microscopes.  Thin sections are prepared by grinding rocks to a...

A Petrological Microscope also called a Polarizing Microscope is an essential instrument in optical mineralogy and Petrology. It is used to ...