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We report Stokes vector observations of solar spicules and a prominence inthe He I 1083 nm multiplet carried out with the Tenerife Infrared Polarimeter.The observations show linear polarization profiles that are produced byscattering processes in the presence of a magnetic field. After a careful datareduction, we demonstrate the existence of extremely asymmetric Stokes Vprofiles in the spicular material that we are able to model with two magneticcomponents along the line of sight, and under the presence of atomicorientation in the energy levels that give rise to the multiplet. We discusssome possible scenarios that can generate the atomic orientation in spicules.We stress the importance of spectropolarimetric observations across the limb todistinguish such signals from observational artifacts.

Anomalous circular polarization profiles in the He I 1083.0 nm multiplet from solar spicules