The related patent seeks to identify anisotropy or isotropia, character and optical signal of gems and minerals, transparent or translucent, adding two new features.Determination of the signal and optical character, the only one instrument. The equipment has, also, a magnifying glass height adjustable by the user, which will facilitate the study of the material.A difference between the polariscópios currently known and shown here is the fixing of the lens in preset positions.Which will enable the revolving movement of lenses polarizadoras and other polariscópios,Because these are fixed so that the light pass in only one direction.What is needed for the observer to find out if the optical behavior of anisotropic or isotropic object is.In this way, the utility model will simplify the work of the analyzer, because the same equipment will carry out three distinct functions simultaneously.
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